{"id":18837043,"url":"https://github.com/xreef/ebyte_lora_e220_series_library","last_synced_at":"2025-04-14T06:21:58.337Z","repository":{"id":41128435,"uuid":"440441387","full_name":"xreef/EByte_LoRa_E220_Series_Library","owner":"xreef","description":"Arduino LoRa EBYTE E220 LLCC68 device library complete and tested with Arduino, esp8266, esp32, STM32 and Raspberry Pi Pico (rp2040 boards)..","archived":false,"fork":false,"pushed_at":"2023-04-18T06:38:29.000Z","size":4773,"stargazers_count":115,"open_issues_count":2,"forks_count":29,"subscribers_count":8,"default_branch":"master","last_synced_at":"2025-03-27T20:07:27.372Z","etag":null,"topics":["arduino","arduino-samd-boards","e220","ebyte","esp32","esp8266","llcc68","lora","pico","radio","raspberry","raspberry-pi","rp2040","stm32","uart"],"latest_commit_sha":null,"homepage":"https://www.mischianti.org/category/my-libraries/lora-e220-llcc68-devices/","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"other","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/xreef.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE.md","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2021-12-21T08:19:18.000Z","updated_at":"2025-03-27T17:31:48.000Z","dependencies_parsed_at":"2024-11-08T02:48:46.407Z","dependency_job_id":null,"html_url":"https://github.com/xreef/EByte_LoRa_E220_Series_Library","commit_stats":null,"previous_names":[],"tags_count":7,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/xreef%2FEByte_LoRa_E220_Series_Library","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/xreef%2FEByte_LoRa_E220_Series_Library/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/xreef%2FEByte_LoRa_E220_Series_Library/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/xreef%2FEByte_LoRa_E220_Series_Library/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/xreef","download_url":"https://codeload.github.com/xreef/EByte_LoRa_E220_Series_Library/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248830903,"owners_count":21168368,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["arduino","arduino-samd-boards","e220","ebyte","esp32","esp8266","llcc68","lora","pico","radio","raspberry","raspberry-pi","rp2040","stm32","uart"],"created_at":"2024-11-08T02:33:25.327Z","updated_at":"2025-04-14T06:21:58.310Z","avatar_url":"https://github.com/xreef.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"\u003cdiv\u003e\n\u003ca href=\"https://www.mischianti.org/forums/forum/mischiantis-libraries/ebyte-lora-e220-uart-devices-llcc68/\"\u003e\u003cimg\n  src=\"https://github.com/xreef/LoRa_E32_Series_Library/raw/master/resources/buttonSupportForumEnglish.png\" alt=\"Support forum EByte e220 English\"\n   align=\"right\"\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003cdiv\u003e\n\u003ca href=\"https://www.mischianti.org/it/forums/forum/le-librerie-di-mischianti/ebyte-e220-dispositivi-lora-uart-llcc68/\"\u003e\u003cimg\n  src=\"https://github.com/xreef/LoRa_E32_Series_Library/raw/master/resources/buttonSupportForumItaliano.png\" alt=\"Forum supporto EByte e220 italiano\"\n  align=\"right\"\u003e\u003c/a\u003e\n\u003c/div\u003e\n\n\n\u003c/br\u003e\u003c/br\u003e\n\n\n\n# Tutorial \n\n- [Ebyte LoRa E220 device for Arduino, esp32 or esp8266: settings and basic usage](https://www.mischianti.org/2022/03/11/ebyte-lora-e220-llcc68-device-for-arduino-esp32-or-esp8266-specs-and-basic-use-1/)\n- [Ebyte LoRa E220 device for Arduino, esp32 or esp8266: library](https://www.mischianti.org/2022/03/17/ebyte-lora-e220-llcc68-device-for-arduino-esp32-or-esp8266-library-2/)\n- [Ebyte LoRa E220 device for Arduino, esp32 or esp8266: configuration](https://www.mischianti.org/2022/04/19/ebyte-lora-e220-llcc68-device-for-arduino-esp32-or-esp8266-configuration-3/)\n- [Ebyte LoRa E220 device for Arduino, esp32 or esp8266: fixed transmission, broadcast, monitor, and RSSI](https://www.mischianti.org/2022/04/27/ebyte-lora-e220-device-for-arduino-esp32-or-esp8266-fixed-transmission-broadcast-monitor-and-rssi-4/)\n- [Ebyte LoRa E220 device for Arduino, esp32 or esp8266: power saving and sending structured data](https://www.mischianti.org/2022/05/06/ebyte-lora-e220-device-for-arduino-esp32-or-esp8266-manage-wake-on-radio-and-sends-structured-data-5/)\n- Ebyte LoRa E220 device for Arduino, esp32 or esp8266: WOR microcontroller and Arduino shield\n- Ebyte LoRa E220 device for Arduino, esp32 or esp8266: WOR microcontroller and WeMos D1 shield\n- Ebyte LoRa E220 device for Arduino, esp32 or esp8266: WOR microcontroller and esp32 dev v1 shield\n\n## CHANGELOG\n- 2023-04-18 1.0.8 Distinct frequency from 900MHz and 915Mhz devices [Forum](https://www.mischianti.org/forums/topic/e32-915t-and-e32-900t-modules/) \n- 2023-01-28 1.0.7 Fix UART_PARITY for ESP32 C3 \n- 2022-09-19 1.0.6 Fix stm32 rogerclerk library xreef/LoRa_E32_Series_Library#48\n- 2022-08-31 1.0.5 Fix regression and Minor fix and examples update for Raspberry Pi Pico and STM32\n- 2022-08-31 1.0.4 Minor fix and examples update for Raspberry Pi Pico and STM32\n- 2022-04-27 1.0.3 Fix frequencies define\n- 2022-04-07 1.0.2 Fix support for STM32\n\n\n# An Arduino UNO shield to simplify the use\n![Arduino UNO shield](https://www.mischianti.org/wp-content/uploads/2019/12/ArduinoShieldMountedE32LoRa_min.jpg)\n\nYou can order the PCB  [here](https://www.pcbway.com/project/shareproject/LoRa_E32_Series_device_Arduino_shield.html) \n\nInstruction and assembly video on 6 part of the guide\n\n# An WeMos D1 shield to simplify the use\n![Arduino UNO shield](https://www.mischianti.org/wp-content/uploads/2020/01/WeMosD1ShieldMountedE32LoRa_min.jpg)\n\nYou can order the PCB  [here](https://www.pcbway.com/project/shareproject/LoRa_E32_Series_device_WeMos_D1_mini_shield_RF_8km_range.html) \n\nInstruction and assembly video on 6 part of the guide\n\n\n\n# Ebyte LoRa E220 LLCC68 device for Arduino, esp32 or esp8266: library\n\n\n\n\u003cdiv class=\"amp-wp-article-content\"\u003e\n\t\t\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003eLoRa or Long Range wireless data telemetry\u003c/strong\u003e \u003c/strong\u003eis a technology pioneered by Semtech that operates at a lower frequency than NRF24L01 (433 MHz, 868 MHz, or 916 MHz against 2.4 GHz for the NRF24L01) but at thrice the distance (from 5000m to 11000m).  \u003c/p\u003e\n\n\n      \n\n\u003cdiv class=\"mischianti-forum-button-container\"\u003e\n  \t\u003ca class=\"mischianti-forum-button\" href=\"https://www.mischianti.org/forums/forum/mischiantis-libraries/ebyte-lora-e220-uart-devices-llcc68/\" target=\"_blank\"\u003eSupport Forum\u003c/a\u003e\n\u003c/div\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\n\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2021/12/Ebyte-LoRa-E220-LLCC68-device-for-Arduino-esp32-or-esp8266-library-520x280.jpg\"/\u003e\n\u003c/div\u003e\n\n\n\n\u003ch2\u003eLLCC68 \u003c/h2\u003e\n\n\n\n\u003cp\u003eLoRa Smart Home (LLCC68) is a sub-GHz LoRa® RF Transceiver for medium-range indoor and indoor to outdoor wireless applications. SPI interface. Pin-to-pin is compatible with SX1262. SX1261, SX1262, SX1268, and LLCC68 are designed for long battery life with just 4.2 mA of active receive current consumption. The SX1261 can transmit up to +15 dBm, and the SX1262, SX1268, and LLCC68 can transmit up to +22 dBm with highly efficient integrated power\u0026nbsp;amplifiers.\u003c/p\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\n\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2021/12/EByte-LoRa-E220-LLCC68-photo-3-devices-red-520x331.jpg\"/\u003e\n\u003c/div\u003e\n\n\n\n\u003cp\u003eThese devices support LoRa modulation for LPWAN use cases and (G)FSK modulation for legacy use cases. The devices are highly configurable to meet different application requirements for consumer use. The device provides LoRa modulation compatible with Semtech transceivers used by the LoRaWAN® specification released by the LoRa Alliance®. The radio is suitable for systems targeting compliance with radio regulations, including but not limited to ETSI EN 300 220, FCC CFR 47 Part 15, China regulatory requirements, and the Japanese ARIB T-108. Continuous frequency coverage from 150MHz to 960MHz allows the support of all major sub-GHz ISM bands around the world.\u003c/p\u003e\n\n\n\n\u003ch2\u003eFeatures\u003c/h2\u003e\n\n\n\n\u003cul\u003e\u003cli\u003eThe new LoRa spread spectrum modulation technology developed based on LLCC68, it brings a more extended communication distance and stronger anti-interference ability;\u003c/li\u003e\u003cli\u003eSupport users to set the communication key by themselves, and it cannot be read, which significantly improves the confidentiality of user data;\u003c/li\u003e\u003cli\u003eSupport LBT function, monitor the channel environment noise before sending, which significantly improves the communication success rate of the module in harsh environments;\u003c/li\u003e\u003cli\u003eSupport RSSI signal strength indicator function for evaluating signal quality, improving communication network, and ranging;\u003c/li\u003e\u003cli\u003eSupport air wakeup, that is ultra-low power consumption, suitable for battery-powered applications;\u003c/li\u003e\u003cli\u003eSupport point to point transmission, broadcast transmission, channel sense;\u003c/li\u003e\u003cli\u003eSupport deep sleep, the power consumption of the whole machine is about 5uA in this mode;\u003c/li\u003e\u003cli\u003eThe module has built-in PA+LNA, and the communication distance can reach 5km under ideal conditions;\u003c/li\u003e\u003cli\u003eThe parameters are saved after power-off, and the module will work according to the set parameters after power-on;\u003c/li\u003e\u003cli\u003eEfficient watchdog design, once an exception occurs, the module will automatically restart and continue to work according to the previous parameter settings;\u003c/li\u003e\u003cli\u003eSupport the bit rate of2.4k～62.5kbps;\u003c/li\u003e\u003cli\u003eSupport 3.0～5.5V power supply, power supply greater than 5V can guarantee the best performance;\u003c/li\u003e\u003cli\u003eIndustrial standard design, supporting long-term use at -40～+85℃;\u003c/li\u003e\u003c/ul\u003e\n\n\n\n\u003ch2\u003eComparison\u003c/h2\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-pale-ocean-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003e\u003c/th\u003e\u003cth\u003eLLCC68\u003c/th\u003e\u003cth\u003eSX1278-SX1276\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eDistance\u003c/td\u003e\u003ctd\u003e\u0026gt; 11Km\u003c/td\u003e\u003ctd\u003e8Km\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eRate (LoRa)\u003c/td\u003e\u003ctd\u003e1.76Kbps – 62.5Kbps \u003c/td\u003e\u003ctd\u003e0.3Kbps – 19.2Kbps\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eSleep power consumption\u003c/td\u003e\u003ctd\u003e2µA \u003c/td\u003e\u003ctd\u003e5µA\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch1\u003eLibrary\u003c/h1\u003e\n\n\n\n\u003cp\u003eYou can find my library\u0026nbsp;\u003ca rel=\"noreferrer noopener\" href=\"https://github.com/xreef/EByte_LoRa_E220_Series_Library\" data-type=\"URL\" data-id=\"https://github.com/xreef/EByte_LoRa_E220_Series_Library\" target=\"_blank\"\u003ehere\u003c/a\u003e, and It’s available on Arduino IDE library manager.\u003c/p\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\n\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2021/12/EByte-LoRa-E22-E32-sx1262-sx1268-sx1278-sx1276-Arduino-library-manager-520x293.jpg\"/\u003e\n\u003c/div\u003e\n\n\n\n\u003cp\u003eTo download.\u003c/p\u003e\u003cdiv class=\"code-block code-block-2 amp-wp-d1954fa\" data-amp-original-style=\"margin: 8px 0; clear: both;\"\u003e\n\u003c/div\u003e\n\n\n\n\n\u003cp\u003eClick the\u0026nbsp;\u003ca rel=\"noreferrer noopener\" href=\"https://github.com/xreef/EByte_LoRa_E220_Series_Library/archive/refs/heads/master.zip\" target=\"_blank\" data-type=\"URL\" data-id=\"https://github.com/xreef/EByte_LoRa_E220_Series_Library/archive/refs/heads/master.zip\"\u003eDOWNLOADS\u0026nbsp;\u003c/a\u003ebutton in the top right corner, rename the uncompressed folder LoRa_E220.\u003c/p\u003e\n\n\n\n\u003cp\u003eCheck that the  LoRa_E220 folder contains  LoRa_E220.cpp and  LoRa_E220.h.\u003c/p\u003e\n\n\n\n\u003cp\u003ePlace the  LoRa_E220 library folder in your /libraries/ folder.\u003c/p\u003e\n\n\n\n\u003cp\u003eYou may need to create the libraries subfolder if it’s your first library.\u003c/p\u003e\n\n\n\n\u003cp\u003eRestart the IDE.\u003c/p\u003e\u003cdiv class=\"code-block code-block-10 ai-viewport-2 ai-viewport-3 amp-wp-a750a3a\" data-amp-original-style=\"margin: 8px auto; text-align: center; clear: both;\"\u003e\n\u003c/div\u003e\n\u003cdiv class=\"code-block code-block-9 ai-viewport-1 amp-wp-a750a3a\" data-amp-original-style=\"margin: 8px auto; text-align: center; clear: both;\"\u003e\n\u003c/div\u003e\n\n\n\n\n\u003ch2\u003ePinout\u003c/h2\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\n\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2019/09/sx1278-sx1276-wireless-lora-uart-module-serial-3000m-arduino-433-rf-robotedu-1705-13-robotedu@101.jpg\"/\u003e\n\u003c/div\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-very-light-gray-to-cyan-bluish-gray-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003ePin No.\u003c/th\u003e\u003cth\u003ePin item\u003c/th\u003e\u003cth\u003ePin direction\u003c/th\u003e\u003cth\u003ePin application\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e1\u003c/td\u003e\u003ctd\u003eM0\u003c/td\u003e\u003ctd\u003eInput（weak pull-up）\u003c/td\u003e\u003ctd\u003eWork with M1 \u0026amp; decide the four operating modes. Floating is not allowed; it can be ground.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e2\u003c/td\u003e\u003ctd\u003eM1\u003c/td\u003e\u003ctd\u003eInput（weak pull-up）\u003c/td\u003e\u003ctd\u003eWork with M0 \u0026amp; decide the four operating modes. Floating is not allowed; it can be ground.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e3\u003c/td\u003e\u003ctd\u003eRXD\u003c/td\u003e\u003ctd\u003eInput\u003c/td\u003e\u003ctd\u003eTTL UART inputs connect to external (MCU, PC) TXD output pin. It can be configured as open-drain or pull-up input.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e4\u003c/td\u003e\u003ctd\u003eTXD\u003c/td\u003e\u003ctd\u003eOutput\u003c/td\u003e\u003ctd\u003eTTL UART outputs connect to external RXD (MCU, PC) input pin. Can be configured as open-drain or push-pull output\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e5\u003c/td\u003e\u003ctd\u003e\u003cbr\u003eAUX\u003c/td\u003e\u003ctd\u003e\u003cbr\u003eOutput\u003c/td\u003e\u003ctd\u003eTo indicate the module’s working status \u0026amp; wake up the external MCU. During the procedure of self-check initialization, the pin outputs a low level. It can be configured as open-drain or push-pull output (floating is allowed).\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e6\u003c/td\u003e\u003ctd\u003eVCC\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003ePower supply 3V~5.5V DC\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e7\u003c/td\u003e\u003ctd\u003eGND\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003eGround\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003cp\u003eAs you can see, you can set various modes via M0 and M1 pins.\u003c/p\u003e\n\n\n\n\u003cfigure class=\"wp-block-table is-style-stripes mischianti-table-left\"\u003e\u003ctable class=\"has-very-light-gray-to-cyan-bluish-gray-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003e\u003cstrong\u003eMode\u003c/strong\u003e\u003c/th\u003e\u003cth\u003e\u003cstrong\u003eM1\u003c/strong\u003e\u003c/th\u003e\u003cth\u003e\u003cstrong\u003eM0\u003c/strong\u003e\u003c/th\u003e\u003cth\u003e\u003cstrong\u003eExplanation\u003c/strong\u003e\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eNormal\u003c/td\u003e\u003ctd\u003e0\u003c/td\u003e\u003ctd\u003e0\u003c/td\u003e\u003ctd\u003eUART and wireless channels are open, and transparent transmission is on\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eWOR Transmitter\u003c/td\u003e\u003ctd\u003e0\u003c/td\u003e\u003ctd\u003e1\u003c/td\u003e\u003ctd\u003eWOR Transmitter\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eWOR Receiver\u003c/td\u003e\u003ctd\u003e1\u003c/td\u003e\u003ctd\u003e0\u003c/td\u003e\u003ctd\u003eWOR Receiver (Supports wake up over air)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eDeep sleep mode\u003c/td\u003e\u003ctd\u003e1\u003c/td\u003e\u003ctd\u003e1\u003c/td\u003e\u003ctd\u003eThe module goes to sleep (automatically wake up when configuring parameters)\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003cp\u003e Some pins can be used statically, but If you connect them to the microcontroller and configure them in the library, you gain in performance and can control all modes via software. Still, we are going to explain better next.\u003c/p\u003e\n\n\n\n\u003ch1\u003eFully connected schema\u003c/h1\u003e\n\n\n\n\u003cp\u003eAs I already said, It’s not essential to connect all pins to the microcontroller’s output; you can put M0 and M1 pins to HIGH or LOW to get the desired configuration. If\u003cstrong\u003e you don’t connect AUX, the library set a reasonable delay to ensure that the operation is complete\u003c/strong\u003e (\u003cstrong\u003eIf you have trouble\u003c/strong\u003e with the \u003cstrong\u003edevice \u003cstrong\u003efreezing\u003c/strong\u003e, \u003c/strong\u003e \u003cstrong\u003eyou must put a pull-up 4.7k resistor or better connect to the device.\u003c/strong\u003e ).\u003c/p\u003e\n\n\n\n\u003ch2\u003eAUX pin\u003c/h2\u003e\n\n\n\n\u003cp\u003eWhen transmitting data can be used to wake up external MCU and return HIGH on data transfer finish.\u003c/p\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\n\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2019/10/e32auxPinOnTransmission-1024x269.jpg\"/\u003e\n\u003c/div\u003e\n\n\n\n\u003cp\u003eWhen receiving, AUX goes LOW and returns HIGH when the buffer is empty.\u003c/p\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2019/10/e32auxPinOnReception-1024x342.jpg\"/\u003e\u003c/div\u003e\n\n\n\n\u003cp\u003eIt’s also used for self-checking to restore regular operation (on power-on and sleep/program mode).\u003c/p\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\n\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2019/10/e32auxPinOnSelfCheck-1024x312.jpg\"/\u003e\n\u003c/div\u003e\n\n\n\n\u003ch2\u003e esp8266 \u003c/h2\u003e\n\n\n\n\u003cp\u003eesp8266 connection schema is more straightforward because it works at the same voltage of logical communications (3.3v).\u003c/p\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\n\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2019/10/LoRa_E32-TTL-100_WemosD1_VD_PU_FullyConnected_bb-e1570517387323.jpg\"/\u003e\n\u003c/div\u003e\n\n\n\n\u003cp\u003eIt’s essential to add a pull-up resistor (4,7Kohm) to get good stability.\u003c/p\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eE22\u003c/th\u003e\u003cth\u003eesp8266\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eM0\u003c/td\u003e\u003ctd\u003eD7\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eM1\u003c/td\u003e\u003ctd\u003eD6\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eTX\u003c/td\u003e\u003ctd\u003ePIN D2 (PullUP 4,7KΩ)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eRX\u003c/td\u003e\u003ctd\u003ePIN D3 (PullUP 4,7KΩ)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eAUX\u003c/td\u003e\u003ctd\u003ePIN D5 (PullUP 4,7KΩ)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eVCC\u003c/td\u003e\u003ctd\u003e5V (but work with less power in 3.3v)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eGND\u003c/td\u003e\u003ctd\u003eGND\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch2\u003eesp32\u003c/h2\u003e\n\n\n\n\u003cp\u003eSimilar connection schema for esp32, but for RX and TX, we use RX2 and TX2 because, by default, esp32 doesn’t have SoftwareSerial but has 3 Serial.\u003c/p\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\n\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2020/08/Ebyte-LoRa-E22-device-esp32-dev-kit-v1-breadboard-full-connection-768x668.jpg\"/\u003e\n\u003c/div\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eE22\u003c/th\u003e\u003cth\u003eesp32\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eM0\u003c/td\u003e\u003ctd\u003eD21\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eM1\u003c/td\u003e\u003ctd\u003eD19\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eTX\u003c/td\u003e\u003ctd\u003ePIN RX2 (PullUP 4,7KΩ)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eRX\u003c/td\u003e\u003ctd\u003ePIN TX3 (PullUP 4,7KΩ)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eAUX\u003c/td\u003e\u003ctd\u003ePIN D18 (PullUP 4,7KΩ) (D15 to wake up)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eVCC\u003c/td\u003e\u003ctd\u003e5V (but work with less power in 3.3v)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eGND\u003c/td\u003e\u003ctd\u003eGND\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch2\u003eArduino\u003c/h2\u003e\n\n\n\n\u003cp\u003eArduino’s working voltage is 5v, so we need to add a voltage divider on RX pin M0 and M1 of LoRa module to prevent damage; you can get more information here \u003ca href=\"https://www.mischianti.org/2019/06/15/voltage-divider-calculator-and-application/\"\u003eVoltage divider: calculator and application\u003c/a\u003e.\u003c/p\u003e\n\n\n\n\u003cp\u003eYou can use a 2Kohm resistor to GND and 1Kohm from the signal, then put them together on RX. \u003c/p\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2019/10/LoRa_E32-TTL-100_Arduino_VD_PU_FullyConnected_bb-e1570517268668.jpg\"/\u003e\u003c/div\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eM0\u003c/td\u003e\u003ctd\u003e7 (voltage divider)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eM1\u003c/td\u003e\u003ctd\u003e6 (voltage divider)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eTX\u003c/td\u003e\u003ctd\u003ePIN 2 (PullUP 4,7KΩ)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eRX\u003c/td\u003e\u003ctd\u003ePIN 3 (PullUP 4,7KΩ \u0026amp; Voltage divider)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eAUX\u003c/td\u003e\u003ctd\u003ePIN 5 (PullUP 4,7KΩ)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eVCC\u003c/td\u003e\u003ctd\u003e5V\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eGND\u003c/td\u003e\u003ctd\u003eGND\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch2\u003eArduino MKR WiFi 1010 \u003c/h2\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2021/12/Ebyte_LoRa_Exx_Arduino_MKR_WiFi_1010_Fully_connected_breadboard-520x450.jpg\"/\u003e\u003c/div\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eM0\u003c/td\u003e\u003ctd\u003e2 (voltage divider)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eM1\u003c/td\u003e\u003ctd\u003e3 (voltage divider)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eTX\u003c/td\u003e\u003ctd\u003ePIN 14 Tx (PullUP 4,7KΩ)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eRX\u003c/td\u003e\u003ctd\u003ePIN 13 Rx (PullUP 4,7KΩ)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eAUX\u003c/td\u003e\u003ctd\u003ePIN 1 (PullUP 4,7KΩ)\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eVCC\u003c/td\u003e\u003ctd\u003e5V\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eGND\u003c/td\u003e\u003ctd\u003eGND\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch1\u003eConstructor\u003c/h1\u003e\n\n\n\n\u003cp\u003eI made a set of numerous constructors because we can have more options and situations to manage.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\tLoRa_E220(byte txE220pin, byte rxE220pin, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600);\n\t\tLoRa_E220(byte txE220pin, byte rxE220pin, byte auxPin, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600);\n\t\tLoRa_E220(byte txE220pin, byte rxE220pin, byte auxPin, byte m0Pin, byte m1Pin, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600);\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eThe first set of constructors is created to delegate Serial and other pins to the library.\u003c/p\u003e\n\n\n\n\u003cul\u003e\u003cli\u003e\u003ccode\u003etxE220pin\u003c/code\u003e and \u003ccode\u003erxE220pin\u003c/code\u003e are the pins to connect to UART. They are \u003cstrong\u003emandatory\u003c/strong\u003e.\u003c/li\u003e\u003cli\u003e\u003ccode\u003eauxPin \u003c/code\u003eis a pin that checks the operation, transmission, and receiving status (we are going to explain better next), that pin \u003cstrong\u003eisn’t mandatory\u003c/strong\u003e; if you don’t set It, I apply a delay to permit the operation to complete itself (with latency,  i\u003cstrong\u003ef you have trouble, like freeze device, you must put a pull-up 4.7k resistor or better connect to the device\u003c/strong\u003e ).\u003c/li\u003e\u003cli\u003e\u003ccode\u003em0pin \u003c/code\u003eand \u003ccode\u003em1Pin \u003c/code\u003eare the pins to change operation MODE (see the table upper), I think \u003cstrong\u003ethis pins in “production” are going to connect directly HIGH or LOW\u003c/strong\u003e. Still, for a test, they are helpful to be managed by the library.\u003c/li\u003e\u003cli\u003e\u003ccode\u003ebpsRate \u003c/code\u003eis the baud rate of SoftwareSerial is typically 9600 (the only baud rate in programming/sleep mode)\u003c/li\u003e\u003c/ul\u003e\n\n\n\n\u003cp\u003eA simple example is\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e#include \"LoRa_E220.h\"\n\nLoRa_E32 e220ttl(2, 3);  // e22 TX e22 RX\n// LoRa_E32 e32ttl(2, 3, 5, 6, 7);  // e22 TX e22 RX\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eWe can use a SoftwareSerial directly with another constructor\u003c/p\u003e\u003cdiv class=\"code-block code-block-2 amp-wp-d1954fa\" data-amp-original-style=\"margin: 8px 0; clear: both;\"\u003e\n\u003c/div\u003e\n\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\tLoRa_E220(HardwareSerial* serial, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600);\n\t\tLoRa_E220(HardwareSerial* serial, byte auxPin, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600);\n\t\tLoRa_E220(HardwareSerial* serial, byte auxPin, byte m0Pin, byte m1Pin, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600);\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eThe example upper with this constructor can be done like so.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e#include \u0026lt;SoftwareSerial.h\u0026gt;\n#include \"LoRa_E220.h\"\n\nSoftwareSerial mySerial(2, 3); // e220 TX e220 RX\nLoRa_E220 e220ttl(\u0026amp;mySerial);\n// LoRa_E220 e220ttl(\u0026amp;mySerial, 5, 7, 6);\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eThe last set of constructors is to permit an HardwareSerial instead of SoftwareSerial.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\tLoRa_E220(SoftwareSerial* serial, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600);\n\t\tLoRa_E220(SoftwareSerial* serial, byte auxPin, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600);\n\t\tLoRa_E220(SoftwareSerial* serial, byte auxPin, byte m0Pin, byte m1Pin, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600);\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eFor esp32, you have three additional constructors to permit to manage pins for HardWare serial.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\t\tLoRa_E220(byte txE220pin, byte rxE220pin, HardwareSerial* serial, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600, uint32_t serialConfig = SERIAL_8N1);\n\t\t\tLoRa_E220(byte txE220pin, byte rxE220pin, HardwareSerial* serial, byte auxPin, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600, uint32_t serialConfig = SERIAL_8N1);\n\t\t\tLoRa_E220(byte txE220pin, byte rxE220pin, HardwareSerial* serial, byte auxPin, byte m0Pin, byte m1Pin, UART_BPS_RATE bpsRate = UART_BPS_RATE_9600, uint32_t serialConfig = SERIAL_8N1);\n\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003ch1\u003eBegin\u003c/h1\u003e\n\n\n\n\u003cp\u003eThe begin command is used to startup Serial and pins in input and output mode.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: cpp; title: ; notranslate\" title=\"\"\u003evoid begin();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003ein execution is\u003c/p\u003e\u003cdiv class=\"code-block code-block-10 ai-viewport-2 ai-viewport-3 amp-wp-a750a3a\" data-amp-original-style=\"margin: 8px auto; text-align: center; clear: both;\"\u003e\n\u003c/div\u003e\n\u003cdiv class=\"code-block code-block-9 ai-viewport-1 amp-wp-a750a3a\" data-amp-original-style=\"margin: 8px auto; text-align: center; clear: both;\"\u003e\n\u003c/div\u003e\n\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t// Startup all pins and UART\n\te220ttl.begin();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003ch1\u003eConfiguration and method to get information\u003c/h1\u003e\n\n\n\n\u003cp\u003eThere are many methods for managing configuration and getting information about the device.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\tResponseStructContainer getConfiguration();\n\t\tResponseStatus setConfiguration(Configuration configuration, PROGRAM_COMMAND saveType = WRITE_CFG_PWR_DWN_LOSE);\n\n\t\tResponseStructContainer getModuleInformation();\n        void printParameters(struct Configuration configuration);\n        ResponseStatus resetModule();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003ch2\u003eResponse containers\u003c/h2\u003e\n\n\n\n\u003cp\u003eTo simplify the management of response, I created a set of containers, which is very useful for managing errors and returning generic data.\u003c/p\u003e\n\n\n\n\u003ch2\u003eResponseStatus\u003c/h2\u003e\n\n\n\n\u003cp\u003eThe  \u003ccode\u003eResponseStatus is a status container and has two\u003c/code\u003e simple entry points, with this you can get the status code and the description of the status code\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\tSerial.println(c.getResponseDescription()); // Description of code\n\tSerial.println(c.code); // 1 if Success\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eThe code is\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e  E220_SUCCESS = 1,\n  ERR_E220_UNKNOWN,\n  ERR_E220_NOT_SUPPORT,\n  ERR_E220_NOT_IMPLEMENT,\n  ERR_E220_NOT_INITIAL,\n  ERR_E220_INVALID_PARAM,\n  ERR_E220_DATA_SIZE_NOT_MATCH,\n  ERR_E220_BUF_TOO_SMALL,\n  ERR_E220_TIMEOUT,\n  ERR_E220_HARDWARE,\n  ERR_E220_HEAD_NOT_RECOGNIZED\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003ch2\u003eResponseContainer \u003c/h2\u003e\n\n\n\n\u003cp\u003eThis container is created to manage String response and has two entry points.\u003c/p\u003e\n\n\n\n\u003cp\u003e\u003ccode\u003edata \u003c/code\u003ewith the string returned from the message and \u003ccode\u003estatus \u003c/code\u003ean instance of \u003ccode\u003eRepsonseStatus\u003c/code\u003e.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\tResponseContainer rs = e220ttl.receiveMessage();\n\t\tString message = rs.data;\n\n\t\tSerial.println(rs.status.getResponseDescription());\n\t\tSerial.println(message);\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eBut this command goes to read all the data in the buffer. If you receive three messages, you are going to read all three notes at one time, and my simple solution is to use an end character to send at the end of the message, to default I use \\0 (null character)\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\tResponseContainer rs = e220ttl.receiveMessageUntil();\n                // You can specify a custom delimiter also\n\t\t// ResponseContainer rs = e220ttl.receiveMessageUntil('|');\n\n\t\tString message = rs.data;\n\n\t\tSerial.println(rs.status.getResponseDescription());\n\t\tSerial.println(message);\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eThis version of the device support RSSI also. To read that parameter (if you specify in the configuration that you want to send also that), you can use\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t    ResponseContainer rc = e220ttl.receiveMessageRSSI();\n\t\tString message = rs.data;\n\n\t\tSerial.println(rs.status.getResponseDescription());\n\t\tSerial.println(message);\n        Serial.print(\"RSSI: \"); Serial.println(rc.rssi, DEC);\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003ch2\u003eResponseStructContainer \u003c/h2\u003e\n\n\n\n\u003cp\u003eThe  \u003ccode\u003eResponseStructContainer\u003c/code\u003e is the more “complex” container. I use this to manage structures, It has the same entry points of ResponseContainer, but data is a void pointer to manage complex structure.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\tResponseStructContainer c;\n\tc = e220ttl.getConfiguration();\n\t// It's important get configuration pointer before all other operation\n\tConfiguration configuration = *(Configuration*) c.data;\n\tSerial.println(c.status.getResponseDescription());\n\tSerial.println(c.status.code);\n    c.close();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eIf you receive a structured message with RSSI, you can use\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\tResponseStructContainer rsc = e220ttl.receiveMessageRSSI(sizeof(Message));\n\t\tSerial.println(rsc.status.getResponseDescription());\n\t\tstruct Message message = *(Message*) rsc.data;\n\t\tSerial.println(message.type);\n\t\tSerial.println(message.message);\n\t\tSerial.println(*(float*)(message.temperature));\n\t\tSerial.print(\"RSSI: \"); Serial.println(rsc.rssi, DEC);\n        rsc.close();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp class=\"has-very-dark-gray-color has-luminous-vivid-orange-background-color has-text-color has-background\"\u003eEvery time you use a \u003ccode\u003eResponseStructContainer\u003c/code\u003e you must close It with \u003ccode\u003eclose()\u003c/code\u003e\u003c/p\u003e\n\n\n\n\u003ch1\u003egetConfiguration and setConfiguration\u003c/h1\u003e\n\n\n\n\u003cp\u003eThe first method is getConfiguration, and you can use It to retrieve all data stored on the device.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\tResponseStructContainer getConfiguration();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eHere is a usage example.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\tResponseStructContainer c;\n\tc = e32ttl.getConfiguration();\n\t// It's important get configuration pointer before all other operation\n\tConfiguration configuration = *(Configuration*) c.data;\n\tSerial.println(c.status.getResponseDescription());\n\tSerial.println(c.status.code);\n    Serial.println(configuration.SPED.getUARTBaudRate());\n    c.close();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eStructure of configuration have all data of settings, and I add a series of functions to get all description of single data.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\tconfiguration.ADDL = 0x03;  // First part of address\n\tconfiguration.ADDH = 0x00; // Second part\n\n\tconfiguration.CHAN = 23; // Communication channel\n\n\tconfiguration.SPED.uartBaudRate = UART_BPS_9600; // Serial baud rate\n\tconfiguration.SPED.airDataRate = AIR_DATA_RATE_010_24; // Air baud rate\n\tconfiguration.SPED.uartParity = MODE_00_8N1; // Parity bit\n\n\tconfiguration.OPTION.subPacketSetting = SPS_200_00; // Packet size\n\tconfiguration.OPTION.RSSIAmbientNoise = RSSI_AMBIENT_NOISE_DISABLED; // Need to send special command\n\tconfiguration.OPTION.transmissionPower = POWER_22; // Device power\n\n\tconfiguration.TRANSMISSION_MODE.enableRSSI = RSSI_DISABLED; // Enable RSSI info\n\tconfiguration.TRANSMISSION_MODE.fixedTransmission = FT_TRANSPARENT_TRANSMISSION; // Enable repeater mode\n\tconfiguration.TRANSMISSION_MODE.enableLBT = LBT_DISABLED; // Check interference\n\tconfiguration.TRANSMISSION_MODE.WORPeriod = WOR_2000_011; // WOR timing\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eYou have the equivalent function for all attributes to get all descriptions:\u003c/p\u003e\u003cdiv class=\"code-block code-block-2 amp-wp-d1954fa\" data-amp-original-style=\"margin: 8px 0; clear: both;\"\u003e\n\u003c/div\u003e\n\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003evoid printParameters(struct Configuration configuration) {\n\tSerial.println(\"----------------------------------------\");\n\n\tSerial.print(F(\"HEAD : \"));  Serial.print(configuration.COMMAND, HEX);Serial.print(\" \");Serial.print(configuration.STARTING_ADDRESS, HEX);Serial.print(\" \");Serial.println(configuration.LENGHT, HEX);\n\tSerial.println(F(\" \"));\n\tSerial.print(F(\"AddH : \"));  Serial.println(configuration.ADDH, HEX);\n\tSerial.print(F(\"AddL : \"));  Serial.println(configuration.ADDL, HEX);\n\tSerial.println(F(\" \"));\n\tSerial.print(F(\"Chan : \"));  Serial.print(configuration.CHAN, DEC); Serial.print(\" -\u0026gt; \"); Serial.println(configuration.getChannelDescription());\n\tSerial.println(F(\" \"));\n\tSerial.print(F(\"SpeedParityBit     : \"));  Serial.print(configuration.SPED.uartParity, BIN);Serial.print(\" -\u0026gt; \"); Serial.println(configuration.SPED.getUARTParityDescription());\n\tSerial.print(F(\"SpeedUARTDatte     : \"));  Serial.print(configuration.SPED.uartBaudRate, BIN);Serial.print(\" -\u0026gt; \"); Serial.println(configuration.SPED.getUARTBaudRateDescription());\n\tSerial.print(F(\"SpeedAirDataRate   : \"));  Serial.print(configuration.SPED.airDataRate, BIN);Serial.print(\" -\u0026gt; \"); Serial.println(configuration.SPED.getAirDataRateDescription());\n\tSerial.println(F(\" \"));\n\tSerial.print(F(\"OptionSubPacketSett: \"));  Serial.print(configuration.OPTION.subPacketSetting, BIN);Serial.print(\" -\u0026gt; \"); Serial.println(configuration.OPTION.getSubPacketSetting());\n\tSerial.print(F(\"OptionTranPower    : \"));  Serial.print(configuration.OPTION.transmissionPower, BIN);Serial.print(\" -\u0026gt; \"); Serial.println(configuration.OPTION.getTransmissionPowerDescription());\n\tSerial.print(F(\"OptionRSSIAmbientNo: \"));  Serial.print(configuration.OPTION.RSSIAmbientNoise, BIN);Serial.print(\" -\u0026gt; \"); Serial.println(configuration.OPTION.getRSSIAmbientNoiseEnable());\n\tSerial.println(F(\" \"));\n\tSerial.print(F(\"TransModeWORPeriod : \"));  Serial.print(configuration.TRANSMISSION_MODE.WORPeriod, BIN);Serial.print(\" -\u0026gt; \"); Serial.println(configuration.TRANSMISSION_MODE.getWORPeriodByParamsDescription());\n\tSerial.print(F(\"TransModeEnableLBT : \"));  Serial.print(configuration.TRANSMISSION_MODE.enableLBT, BIN);Serial.print(\" -\u0026gt; \"); Serial.println(configuration.TRANSMISSION_MODE.getLBTEnableByteDescription());\n\tSerial.print(F(\"TransModeEnableRSSI: \"));  Serial.print(configuration.TRANSMISSION_MODE.enableRSSI, BIN);Serial.print(\" -\u0026gt; \"); Serial.println(configuration.TRANSMISSION_MODE.getRSSIEnableByteDescription());\n\tSerial.print(F(\"TransModeFixedTrans: \"));  Serial.print(configuration.TRANSMISSION_MODE.fixedTransmission, BIN);Serial.print(\" -\u0026gt; \"); Serial.println(configuration.TRANSMISSION_MODE.getFixedTransmissionDescription());\n\n\n\tSerial.println(\"----------------------------------------\");\n}\n\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eIn the same way, setConfiguration wants a configuration structure, so I think the better way to manage configuration is to retrieve the current one, apply the only change you need and set It again.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\tResponseStatus setConfiguration(Configuration configuration, PROGRAM_COMMAND saveType = WRITE_CFG_PWR_DWN_LOSE);\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003e\u003ccode\u003econfiguration \u003c/code\u003eis the structure previously shown, \u003ccode\u003esaveType \u003c/code\u003epermit you to choose if the change becomes permanent or only for the current session.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; highlight: [23]; title: ; notranslate\" title=\"\"\u003e\tResponseStructContainer c;\n\tc = e32ttl100.getConfiguration();\n\t// It's important get configuration pointer before all other operation\n\tConfiguration configuration = *(Configuration*) c.data;\n\tSerial.println(c.status.getResponseDescription());\n\tSerial.println(c.status.code);\n\n\tprintParameters(configuration);\n\tconfiguration.ADDL = 0x03;  // First part of address\n\tconfiguration.ADDH = 0x00; // Second part\n\n\tconfiguration.CHAN = 23; // Communication channel\n\n\tconfiguration.SPED.uartBaudRate = UART_BPS_9600; // Serial baud rate\n\tconfiguration.SPED.airDataRate = AIR_DATA_RATE_010_24; // Air baud rate\n\tconfiguration.SPED.uartParity = MODE_00_8N1; // Parity bit\n\n\tconfiguration.OPTION.subPacketSetting = SPS_200_00; // Packet size\n\tconfiguration.OPTION.RSSIAmbientNoise = RSSI_AMBIENT_NOISE_DISABLED; // Need to send special command\n\tconfiguration.OPTION.transmissionPower = POWER_22; // Device power\n\n\tconfiguration.TRANSMISSION_MODE.enableRSSI = RSSI_DISABLED; // Enable RSSI info\n\tconfiguration.TRANSMISSION_MODE.fixedTransmission = FT_TRANSPARENT_TRANSMISSION; // Enable repeater mode\n\tconfiguration.TRANSMISSION_MODE.enableLBT = LBT_DISABLED; // Check interference\n\tconfiguration.TRANSMISSION_MODE.WORPeriod = WOR_2000_011; // WOR timing\n\n\t// Set configuration changed and set to not hold the configuration\n\tResponseStatus rs = e32ttl100.setConfiguration(configuration, WRITE_CFG_PWR_DWN_LOSE);\n\tSerial.println(rs.getResponseDescription());\n\tSerial.println(rs.code);\n\tprintParameters(configuration);\n    c.close()\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003e The parameters are all managed as constant: \u003c/p\u003e\n\n\n\n\u003ch2\u003eBasic configuration option\u003c/h2\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-electric-grass-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eName\u003c/th\u003e\u003cth\u003eDescription\u003c/th\u003e\u003cth\u003eAddress\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eADDH\u003c/td\u003e\u003ctd\u003eHigh address byte of the module (the default 00H)\u003c/td\u003e\u003ctd\u003e00H\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eADDL\u003c/td\u003e\u003ctd\u003eLow address byte of the module (the default 00H)\u003c/td\u003e\u003ctd\u003e01H\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eSPED\u003c/td\u003e\u003ctd\u003eInformation about data rate parity bit and Air data rate\u003c/td\u003e\u003ctd\u003e02H\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eOPTION\u003c/td\u003e\u003ctd\u003e Type of transmission, packet size, allow the special message \u003c/td\u003e\u003ctd\u003e03H \u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eCHAN\u003c/td\u003e\u003ctd\u003eCommunication channel（410M + CHAN*1M）, default 17H (433MHz),\u0026nbsp;\u003cstrong\u003evalid only for 433MHz device\u003c/strong\u003e\u0026nbsp;check below to check the correct frequency of your device\u003c/td\u003e\u003ctd\u003e04H\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eOPTION\u003c/td\u003e\u003ctd\u003eType of transmission, packet size, allow the special message\u003c/td\u003e\u003ctd\u003e05H\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eTRANSMISSION_MODE\u003c/td\u003e\u003ctd\u003eA lot of parameters that specify the transmission modality\u003c/td\u003e\u003ctd\u003e06H\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eCRYPT\u003c/td\u003e\u003ctd\u003eEncryption to avoid interception\u003c/td\u003e\u003ctd\u003e07H\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch3\u003eSPED detail\u003c/h3\u003e\n\n\n\n\u003cp\u003eUART Parity bit: \u003cem\u003eUART mode can be different between communication parties\u003c/em\u003e\u003c/p\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-electric-grass-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eUART parity bit\u003c/th\u003e\u003cth\u003eConstant value\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e8N1 (default)\u003c/td\u003e\u003ctd\u003eMODE_00_8N1\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e8O1\u003c/td\u003e\u003ctd\u003eMODE_01_8O1\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e8E1\u003c/td\u003e\u003ctd\u003eMODE_10_8E1\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e8N1 (equal to 00)\u003c/td\u003e\u003ctd\u003eMODE_11_8N1\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003cp\u003eUART baud rate: UART baud rate can be different between communication parties (but not reccomended). The UART baud rate has nothing to do with wireless transmission parameters \u0026amp; won’t affect the wireless transmit/receive features.\u003c/p\u003e\u003cdiv class=\"code-block code-block-10 ai-viewport-2 ai-viewport-3 amp-wp-a750a3a\" data-amp-original-style=\"margin: 8px auto; text-align: center; clear: both;\"\u003e\n\u003c/div\u003e\n\u003cdiv class=\"code-block code-block-9 ai-viewport-1 amp-wp-a750a3a\" data-amp-original-style=\"margin: 8px auto; text-align: center; clear: both;\"\u003e\n\u003c/div\u003e\n\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-electric-grass-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eTTL UART baud rate（bps）\u003c/th\u003e\u003cth\u003eConstant value\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e1200\u003c/td\u003e\u003ctd\u003eUART_BPS_1200\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e2400\u003c/td\u003e\u003ctd\u003eUART_BPS_2400\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e4800\u003c/td\u003e\u003ctd\u003eUART_BPS_4800\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e9600 (default)\u003c/td\u003e\u003ctd\u003eUART_BPS_9600\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e19200\u003c/td\u003e\u003ctd\u003eUART_BPS_19200\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e38400\u003c/td\u003e\u003ctd\u003eUART_BPS_38400\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e57600\u003c/td\u003e\u003ctd\u003eUART_BPS_57600\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e115200\u003c/td\u003e\u003ctd\u003eUART_BPS_115200\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003cp\u003eAir data rate: The lower the air data rate, the longer the transmitting distance,      better anti-interference performance, and longer transmitting time; the air data rate must be constant for both communication parties.\u003c/p\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-electric-grass-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003e Air data rate（bps） \u003c/th\u003e\u003cth\u003e Constant value \u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e2.4k \u003c/td\u003e\u003ctd\u003eAIR_DATA_RATE_000_24 \u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e2.4k \u003c/td\u003e\u003ctd\u003eAIR_DATA_RATE_001_24 \u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e2.4k (default)\u003c/td\u003e\u003ctd\u003eAIR_DATA_RATE_010_24\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e4.8k\u003c/td\u003e\u003ctd\u003eAIR_DATA_RATE_011_48\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e9.6k\u003c/td\u003e\u003ctd\u003eAIR_DATA_RATE_100_96\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e19.2k\u003c/td\u003e\u003ctd\u003eAIR_DATA_RATE_101_192\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e38.4k\u003c/td\u003e\u003ctd\u003eAIR_DATA_RATE_110_384\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e62.5k\u003c/td\u003e\u003ctd\u003eAIR_DATA_RATE_111_625\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch3\u003eOPTION detail\u003c/h3\u003e\n\n\n\n\u003ch4\u003eSub packet setting\u003c/h4\u003e\n\n\n\n\u003cp\u003eThis is the max length of the packet.\u003c/p\u003e\n\n\n\n\u003cp\u003eWhen the data is smaller than the subpacket length, the serial output of the receiving end is an uninterrupted continuous output. The receiving end serial port will output the subpacket when the data is larger than the subpacket length.\u003c/p\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-pale-ocean-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003ePacket size\u003c/th\u003e\u003cth\u003e Constant value \u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e200bytes (default)\u003c/td\u003e\u003ctd\u003eSPS_200_00\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e128bytes\u003c/td\u003e\u003ctd\u003eSPS_128_01\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e64bytes\u003c/td\u003e\u003ctd\u003eSPS_064_10\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e32bytes\u003c/td\u003e\u003ctd\u003eSPS_032_11\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch4\u003eRSSI Ambient noise enable\u003c/h4\u003e\n\n\n\n\u003cp\u003eThis command can enable/disable the management type of RSSI, and It’s essential to manage the remote configuration. Pay attention isn’t the RSSI parameter in the message.\u003c/p\u003e\n\n\n\n\u003cp\u003eWhen enabled, the C0, C1, C2, C3 commands can be sent in the transmitting mode or WOR transmitting mode to read the register. Register 0x00: Current ambient noise RSSI Register 0X01: RSSI when the data was received last time.\u003c/p\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-pale-ocean-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eRSSI Ambient noise enable\u003c/th\u003e\u003cth\u003e Constant value \u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eEnable\u003c/td\u003e\u003ctd\u003eRSSI_AMBIENT_NOISE_ENABLED\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eDisable (default)\u003c/td\u003e\u003ctd\u003eRSSI_AMBIENT_NOISE_DISABLED\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch4\u003eTransmission power\u003c/h4\u003e\n\n\n\n\u003cp\u003eYou can change this set of constants by applying a define like so:\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: cpp; title: ; notranslate\" title=\"\"\u003e#define E220_22 // default value without set \n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eApplicable for \u003cstrong\u003eE220 with 22dBm as max power.\u003c/strong\u003e\u003cbr\u003eLow power transmission is not recommended due to its low power supply efficiency.\u003c/p\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-pale-ocean-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003e Transmission power (approximation) \u003c/th\u003e\u003cth\u003e Constant value \u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e22dBm (default)\u003c/td\u003e\u003ctd\u003ePOWER_22\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e17dBm\u003c/td\u003e\u003ctd\u003ePOWER_17\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e13dBm\u003c/td\u003e\u003ctd\u003ePOWER_13\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e10dBm\u003c/td\u003e\u003ctd\u003ePOWER_10\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003cp\u003eApplicable for \u003cstrong\u003eE220 with 30dBm as max power.\u003c/strong\u003e\u003cbr\u003eLow power transmission is not recommended due to its low power supply efficiency.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: cpp; title: ; notranslate\" title=\"\"\u003e#define E220_30\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-pale-ocean-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003e Transmission power (approximation) \u003c/th\u003e\u003cth\u003e Constant value \u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e30dBm (default)\u003c/td\u003e\u003ctd\u003ePOWER_30\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e27dBm\u003c/td\u003e\u003ctd\u003ePOWER_27\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e24dBm\u003c/td\u003e\u003ctd\u003ePOWER_24\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e21dBm\u003c/td\u003e\u003ctd\u003ePOWER_21\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003cp\u003eYou can configure Channel frequency also with this define:\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: cpp; title: ; notranslate\" title=\"\"\u003e// One of \n#define FREQUENCY_433 \n#define FREQUENCY_170\n#define FREQUENCY_470\n#define FREQUENCY_868\n#define FREQUENCY_915\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003ch3\u003eTRANSMISSION_MODE Detail\u003c/h3\u003e\n\n\n\n\u003ch4\u003eEnable RSSI\u003c/h4\u003e\n\n\n\n\u003cp\u003eWhen enabled, the module receives wireless data, and it will follow an RSSI strength byte after output via the serial port TXD\u003c/p\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-blush-light-purple-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003e Enable RSSI \u003c/th\u003e\u003cth\u003e Constant value \u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eEnable\u003c/td\u003e\u003ctd\u003eRSSI_ENABLED\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eDisable (default)\u003c/td\u003e\u003ctd\u003eRSSI_DISABLED\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch4\u003eTransmission type\u003c/h4\u003e\n\n\n\n\u003cp\u003eTransmission mode: The first three bytes of each user’s data frame can be used as high/low address and channel in fixed transmission mode.   The module changes its address and channel when transmitted. And it will revert to the original setting after completing the process.\u003c/p\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-blush-light-purple-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eFixed transmission enabling bit\u003c/th\u003e\u003cth\u003e Constant value \u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eFixed transmission mode\u003c/td\u003e\u003ctd\u003eFT_FIXED_TRANSMISSION\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eTransparent transmission mode (default)\u003c/td\u003e\u003ctd\u003eFT_TRANSPARENT_TRANSMISSION\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch4\u003eMonitor data before transmission\u003c/h4\u003e\n\n\n\n\u003cp\u003eWhen enabled, wireless data will be monitored before it is transmitted, avoiding interference to a certain extent, but may cause data delay.\u003c/p\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-blush-light-purple-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003e LBT enable byte \u003c/th\u003e\u003cth\u003e Constant value \u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eEnable\u003c/td\u003e\u003ctd\u003eLBT_ENABLED\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eDisable (default)\u003c/td\u003e\u003ctd\u003eLBT_DISABLED\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2020/07/Ebyte-LoRa-E22-device-for-Arduino-esp32-or-esp8266-carrier-sense.jpg\"/\u003e\u003c/div\u003e\n\n\n\n\u003ch4\u003eWOR cycle\u003c/h4\u003e\n\n\n\n\u003cp\u003eIf WOR is transmitting: after the WOR receiver receives the wireless data and outputs it through the serial port, it will wait for 1000ms before entering the WOR again. Users can input the serial port data and return it via wireless during this period. Each serial byte will be refreshed for 1000ms. Users must transmit the first byte within 1000ms.\u003c/p\u003e\n\n\n\n\u003cul\u003e\u003cli\u003ePeriod T = (1 + WOR) * 500ms, maximum 4000ms, minimum 500ms\u003c/li\u003e\u003cli\u003eThe longer the WOR monitoring interval period, the lower the average power consumption, but the greater the data delay\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eBoth the transmitter and the receiver must be the same (very important).\u003c/strong\u003e\u003c/li\u003e\u003c/ul\u003e\n\n\n\n\u003cfigure class=\"wp-block-table mischianti-table-left\"\u003e\u003ctable class=\"has-blush-light-purple-gradient-background has-background\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eWireless wake-up time\u003c/th\u003e\u003cth\u003e Constant value \u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e500ms\u003c/td\u003e\u003ctd\u003eWAKE_UP_500\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e1000ms\u003c/td\u003e\u003ctd\u003eWAKE_UP_1000\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e1500ms\u003c/td\u003e\u003ctd\u003eWAKE_UP_1500\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e2000ms (default)\u003c/td\u003e\u003ctd\u003eWAKE_UP_2000\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e2500ms\u003c/td\u003e\u003ctd\u003eWAKE_UP_2500\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e3000ms\u003c/td\u003e\u003ctd\u003eWAKE_UP_3000\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e3500ms\u003c/td\u003e\u003ctd\u003eWAKE_UP_3500\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e4000ms\u003c/td\u003e\u003ctd\u003eWAKE_UP_4000\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/figure\u003e\n\n\n\n\u003ch1\u003eCheck buffer\u003c/h1\u003e\n\n\n\n\u003cp\u003eFirst, we must introduce a simple but practical method to check if something is in the receiving buffer.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003eint available();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eIt’s simple to return how many bytes you have in the current stream.\u003c/p\u003e\u003cdiv class=\"code-block code-block-2 amp-wp-d1954fa\" data-amp-original-style=\"margin: 8px 0; clear: both;\"\u003e\n\u003c/div\u003e\n\n\n\n\n\u003ch1\u003eSend receive messages\u003c/h1\u003e\n\n\n\n\u003ch2\u003eNormal transmission mode\u003c/h2\u003e\n\n\n\n\u003cp\u003eNormal/Transparent transmission mode sends messages to all devices with the same address and channel.\u003c/p\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2019/10/LoRa_E32_transmittingScenarios.jpg\"/\u003e\u003c/div\u003e\n\n\n\n\u003cp\u003eThere are a lot of methods to send/receive messages, and we are going to explain in detail:\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e        ResponseStatus sendMessage(const String message);\n        ResponseContainer receiveMessage();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eThe first method is sendMessage and is used to send a String to a device in \u003cstrong\u003eNormal mode\u003c/strong\u003e.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\tResponseStatus rs = e220ttl.sendMessage(\"Prova\");\n\tSerial.println(rs.getResponseDescription());\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eThe other device simply does on the loop.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e       if (e220ttl.available()  \u0026gt; 1){\n\t\tResponseContainer rs = e220ttl.receiveMessage();\n\t\tString message = rs.data; // First ever get the data\n\t\tSerial.println(rs.status.getResponseDescription());\n\t\tSerial.println(message);\n\t}\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp class=\"has-luminous-vivid-orange-background-color has-background\"\u003ePay attention if you receive multiple messages in the buffer and don’t want to read them all at one time. You must use \u003ccode\u003eResponseContainer rs = e220ttl.receiveMessageUntil();\u003c/code\u003e with a delimiter put on the end of sending a message.\u003c/p\u003e\u003cdiv class=\"code-block code-block-10 ai-viewport-2 ai-viewport-3 amp-wp-a750a3a\" data-amp-original-style=\"margin: 8px auto; text-align: center; clear: both;\"\u003e\n\u003c/div\u003e\n\u003cdiv class=\"code-block code-block-9 ai-viewport-1 amp-wp-a750a3a\" data-amp-original-style=\"margin: 8px auto; text-align: center; clear: both;\"\u003e\n\u003c/div\u003e\n\n\n\n\n\u003cp\u003eIf you enabled the RSSI, you must use \u003ccode\u003ereceiveMessageRSSI\u003c/code\u003e.\u003c/p\u003e\n\n\n\n\u003ch3\u003eManage structure\u003c/h3\u003e\n\n\n\n\u003cp\u003eIf you want to send a complex structure, you can use this method\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e        ResponseStatus sendMessage(const void *message, const uint8_t size);\n        ResponseStructContainer receiveMessage(const uint8_t size);\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eIt’s used to send structure, for example:\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\tstruct Messaggione {\n\t\tchar type[5];\n\t\tchar message[8];\n\t\tbool mitico;\n\t};\n        struct Messaggione messaggione = {\"TEMP\", \"Peple\", true};\n        ResponseStatus rs = e220ttl.sendMessage(\u0026amp;messaggione, sizeof(Messaggione));\n\tSerial.println(rs.getResponseDescription());\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eand the other side you can receive the message so\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\tResponseStructContainer rsc = e22ttl.receiveMessage(sizeof(Messaggione));\n\t\tstruct Messaggione messaggione = *(Messaggione*) rsc.data;\n\t\tSerial.println(messaggione.message);\n\t\tSerial.println(messaggione.mitico);\n        rsc.close();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eIf you enabled the RSSI, you must use \u003ccode\u003ereceiveMessageRSSI\u003c/code\u003e.\u003c/p\u003e\n\n\n\n\u003ch3\u003eRead partial structure\u003c/h3\u003e\n\n\n\n\u003cp\u003eIf you want to read the first part of the message to manage more types of structure, you can use this method.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003eResponseContainer receiveInitialMessage(const uint8_t size);\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eI create It to receive a string with type or other to identify the structure to load.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\t\tstruct Messaggione { // Partial structure without type\n\t\t\tchar message[8];\n\t\t\tbool mitico;\n\t\t};\n\n\t\tchar type[5]; // first part of structure\n\t\tResponseContainer rs = e220ttl.receiveInitialMessage(sizeof(type));\n                // Put string in a char array (not needed)\n\t\tmemcpy ( type, rs.data.c_str(), sizeof(type) );\n\n\t\tSerial.println(\"READ TYPE: \");\n\t\tSerial.println(rs.status.getResponseDescription());\n\t\tSerial.println(type);\n\n                // Read the rest of structure\n\t\tResponseStructContainer rsc = e220ttl.receiveMessage(sizeof(Messaggione));\n\t\tstruct Messaggione messaggione = *(Messaggione*) rsc.data;\n        rsc.close();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003ch2\u003eFixed mode instead of normal mode\u003c/h2\u003e\n\n\n\n\u003cp\u003eSimilarly, I create a set of methods to use with the fixed transmission.\u003c/p\u003e\n\n\n\n\u003ch3\u003eFixed transmission\u003c/h3\u003e\n\n\n\n\u003cp\u003e\u003cstrong\u003eYou need to change only the sending method\u003c/strong\u003e because the destination device doesn’t\u003cstrong\u003e receive the preamble with Address and Channel when setting the fixed mode.\u003c/strong\u003e\u003c/p\u003e\n\n\n\n\u003cp\u003eSo for the String message, you have\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e        ResponseStatus sendFixedMessage(byte ADDH, byte ADDL, byte CHAN, const String message);\n        ResponseStatus sendBroadcastFixedMessage(byte CHAN, const String message);\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eand for the structure, you have\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e        ResponseStatus sendFixedMessage(byte ADDH, byte ADDL, byte CHAN, const void *message, const uint8_t size);\n        ResponseStatus sendBroadcastFixedMessage(byte CHAN, const void *message, const uint8_t size );\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eHere is a simple example\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e\tResponseStatus rs = e220ttl.sendFixedMessage(0, 0, 0x17, \u0026amp;messaggione, sizeof(Messaggione));\n//\tResponseStatus rs = e220ttl.sendFixedMessage(0, 0, 0x17, \"Ciao\");\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eFixed transmission have more scenarios\u003c/p\u003e\n\n\n\n\u003cdiv class=\"wp-block-image\"\u003e\u003cimg src=\"https://www.mischianti.org/wp-content/uploads/2019/10/LoRa_E32_transmittingScenarios.jpg\"/\u003e\u003c/div\u003e\n\n\n\n\u003cp\u003eIf you send to a specific device (second scenario Fixed transmission), you must add ADDL, ADDH, and CHAN to identify It directly.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003eResponseStatus rs = e220ttl.sendFixedMessage(2, 2, 0x17, \"Message to a device\");\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eIf you want to send a message to all devices in a specified Channel, you can use this method.\u003c/p\u003e\u003cdiv class=\"code-block code-block-2 amp-wp-d1954fa\" data-amp-original-style=\"margin: 8px 0; clear: both;\"\u003e\n\u003c/div\u003e\n\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003eResponseStatus rs = e220ttl.sendBroadcastFixedMessage(0x17, \"Message to a devices of a channel\");\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003cp\u003eIf you wish to receive all broadcast messages in the network, you must set your \u003ccode\u003eADDH \u003c/code\u003eand \u003ccode\u003eADDL \u003c/code\u003ewith \u003ccode\u003eBROADCAST_ADDRESS\u003c/code\u003e.\u003c/p\u003e\n\n\n\u003cdiv class=\"wp-block-syntaxhighlighter-code \"\u003e\u003cpre class=\"brush: arduino; title: ; notranslate\" title=\"\"\u003e        ResponseStructContainer c;\n\tc = e220ttl.getConfiguration();\n\t// It's important get configuration pointer before all other operation\n\tConfiguration configuration = *(Configuration*) c.data;\n\tSerial.println(c.status.getResponseDescription());\n\tSerial.println(c.status.code);\n\n\tprintParameters(configuration);\n\tconfiguration.ADDL = BROADCAST_ADDRESS;\n\tconfiguration.ADDH = BROADCAST_ADDRESS;\n\n\t// Set configuration changed and set to not hold the configuration\n\tResponseStatus rs = e32ttl100.setConfiguration(configuration, WRITE_CFG_PWR_DWN_LOSE);\n\tSerial.println(rs.getResponseDescription());\n\tSerial.println(rs.code);\n\tprintParameters(configuration);\n        c.close();\n\u003c/pre\u003e\u003c/div\u003e\n\n\n\u003ch1\u003eThanks\u003c/h1\u003e\n\n\n\n\u003cp\u003eNow you have all information to do your work, but I think It’s important to show some real examples to understand better all the possibilities.\u003c/p\u003e\n\n\n\n\u003col\u003e\u003cli\u003eEbyte LoRa E220 device for Arduino, esp32 or esp8266: settings and basic usage\u003c/li\u003e\u003cli\u003eEbyte LoRa E220 device for Arduino, esp32 or esp8266: library\u003c/li\u003e\u003cli\u003eEbyte LoRa E220 device for Arduino, esp32 or esp8266: configuration\u003c/li\u003e\u003cli\u003eEbyte LoRa E220 device for Arduino, esp32 or esp8266: fixed transmission, broadcast, monitor, and RSSI\u003c/li\u003e\u003cli\u003eEbyte LoRa E220 device for Arduino, esp32 or esp8266: power saving and sending structured data\u003c/li\u003e\u003cli\u003e\u003cspan data-amp-original-style=\"color: initial;\" class=\"amp-wp-2ca27fe\"\u003eEbyte LoRa E220 device for Arduino, esp32 or esp8266: WOR microcontroller and Arduino shield\u003c/span\u003e\u003c/li\u003e\u003cli\u003eEbyte LoRa E220 device for Arduino, esp32 or esp8266: WOR microcontroller and WeMos D1 shield\u003c/li\u003e\u003cli\u003eEbyte LoRa E220 device for Arduino, esp32 or esp8266: WOR microcontroller and esp32 dev v1 shield\u003c/li\u003e\u003c/ol\u003e\n\n\n\n\u003cp\u003e\u003ca href=\"https://github.com/xreef/EByte_LoRa_E220_Series_Library\" data-type=\"URL\" data-id=\"https://github.com/xreef/EByte_LoRa_E220_Series_Library\" target=\"_blank\" rel=\"noreferrer noopener\"\u003eGithub library\u003c/a\u003e\u003c/p\u003e\n\n\n\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https://www.pcbway.com/project/shareproject/LoRa_E32_Series_device_Arduino_shield.html\"\u003eMischianti Arduino LoRa shield (Open source)\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\"https://www.pcbway.com/project/shareproject/LoRa_E32_Series_device_WeMos_D1_mini_shield_RF_8km_range.html\"\u003eMischianti WeMos LoRa shield (Open source)\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca rel=\"noreferrer noopener\" href=\"https://www.pcbway.com/project/shareproject/LoRa_ESP32_DEV_KIT_v1_shield_for_EByte_E32_E22__RF_8km_12km_range.html?from=mischianti05\" target=\"_blank\"\u003eMischianti ESP32 DOIT DEV KIT v1 shield (Open source)\u003c/a\u003e\u003c/li\u003e\u003c/ul\u003e\n\n\n      \n\n\u003cdiv class=\"mischianti-forum-button-container\"\u003e\n  \t\u003ca class=\"mischianti-forum-button\" href=\"https://www.mischianti.org/forums/forum/mischiantis-libraries/ebyte-lora-e220-uart-devices-llcc68/\" target=\"_blank\"\u003eSupport Forum\u003c/a\u003e\n\u003c/div\u003e\n\t\u003c/div\u003e","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fxreef%2Febyte_lora_e220_series_library","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fxreef%2Febyte_lora_e220_series_library","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fxreef%2Febyte_lora_e220_series_library/lists"}