{"id":16367772,"url":"https://github.com/jackgruber/arduino-pro-mini-lora-sensor-node","last_synced_at":"2025-03-23T02:33:07.557Z","repository":{"id":158957245,"uuid":"231967201","full_name":"JackGruber/Arduino-Pro-Mini-LoRa-Sensor-Node","owner":"JackGruber","description":"Arduino Pro Mini TTN LoRaWAN Node with RFM95 module battery-powered","archived":false,"fork":false,"pushed_at":"2021-06-27T09:08:32.000Z","size":1416,"stargazers_count":29,"open_issues_count":4,"forks_count":12,"subscribers_count":5,"default_branch":"master","last_synced_at":"2025-03-15T02:11:42.167Z","etag":null,"topics":["arduino","arduino-pro-mini","battery","dht22","lora","lorawan","platfomio","rfm95"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/JackGruber.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"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":"2020-01-05T19:45:33.000Z","updated_at":"2025-03-10T05:45:11.000Z","dependencies_parsed_at":"2023-06-15T02:30:35.988Z","dependency_job_id":null,"html_url":"https://github.com/JackGruber/Arduino-Pro-Mini-LoRa-Sensor-Node","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/JackGruber%2FArduino-Pro-Mini-LoRa-Sensor-Node","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/JackGruber%2FArduino-Pro-Mini-LoRa-Sensor-Node/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/JackGruber%2FArduino-Pro-Mini-LoRa-Sensor-Node/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/JackGruber%2FArduino-Pro-Mini-LoRa-Sensor-Node/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/JackGruber","download_url":"https://codeload.github.com/JackGruber/Arduino-Pro-Mini-LoRa-Sensor-Node/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":245047981,"owners_count":20552430,"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-pro-mini","battery","dht22","lora","lorawan","platfomio","rfm95"],"created_at":"2024-10-11T02:50:49.260Z","updated_at":"2025-03-23T02:33:07.258Z","avatar_url":"https://github.com/JackGruber.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Arduino Pro Mini TTN LoRaWAN sensor node\r\n\r\n\u003cimg src=\"img/case_open.jpg\"\u003e\r\n\r\n`Arduino Pro Mini` TTN LoRaWAN Node with `DHT22` and `RFM95` module powered by an 18650 protected battery.  \r\nThe Arduino was converted to [LowPower](https://jackgruber.github.io/2019-12-27-Low-power-Arduino-Pro-Mini/) by desoldering the power LED and the voltage converter.\r\n\r\n## Circuit\r\n\r\n\u003cimg src=\"img/circuit.jpg\"\u003e\r\n\u003cimg src=\"gerber/promini_rfm95.jpg\"\u003e\r\n\r\n## Case\r\n\r\n\u003cimg src=\"img/case_3d.jpg\"\u003e\r\n\r\n## Diagrams \r\n\u003cimg src=\"img/value_plot.jpg\"\u003e\r\n\r\n### Battery voltage curve over 12 months with measure and send data all 5 minutes\r\n\r\n\u003cimg src=\"img/vcc_plot.jpg\"\u003e\r\n\r\n## TTN payload decoder (v2)\r\n\r\n```javascript\r\nfunction Decoder(bytes, port) {\r\n  var decoded = {};\r\n  \r\n  decoded.vcc = (bytes[0] + 200)/100;\r\n  \r\n  if(bytes[1] != 255){\r\n    decoded.humidity = bytes[1]; \r\n    decoded.humidity \u0026= ~(1 \u003c\u003c 7);\r\n    if(bytes[1] \u003e\u003e 7 == 1) { decoded.humidity +=0.5 }\r\n  }\r\n  \r\n  if(bytes[2] != 255 || bytes[3] != 255) decoded.temperature = ((bytes[2]\u003c\u003c24\u003e\u003e16 | bytes[3]) / 10);\r\n  return decoded;\r\n}\r\n```\r\n\r\n## TTN payload decoder (v3)\r\n\r\n```javascript\r\nfunction decodeUplink(input) {\r\n  var decoded = {};\r\n  decoded.vcc = (input.bytes[0] + 200)/100;\r\n  if(input.bytes[1] != 255){\r\n    decoded.humidity = input.bytes[1]; \r\n    decoded.humidity \u0026= ~(1 \u003c\u003c 7);\r\n    if(input.bytes[1] \u003e\u003e 7 == 1) { decoded.humidity +=0.5 }\r\n  }\r\n  if(input.bytes[2] != 255 || input.bytes[3] != 255) decoded.temperature = ((input.bytes[2]\u003c\u003c24\u003e\u003e16 | input.bytes[3]) / 10);\r\n  \r\n  return {\r\n    data: decoded,\r\n    warnings: [],\r\n    errors: []\r\n  };\r\n}\r\n```\r\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjackgruber%2Farduino-pro-mini-lora-sensor-node","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjackgruber%2Farduino-pro-mini-lora-sensor-node","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjackgruber%2Farduino-pro-mini-lora-sensor-node/lists"}