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growdammit\nGarden thing, logs temperature, humidity, soil moisture, and ambient light.\n\nPrototype:\n![growdammit prototype](http://i.imgur.com/rfPmIEe.jpg)\n\nPrototype graph from logging overnight:\n![growdammit prototype graph](https://i.imgur.com/FM1RWV9.png)\n\n## Design\n### Circuit\n\n![schematic](schematic.png)\n\n#### Analog Multiplexer\n* E (6) connected to GND\n* GND (8) connected to GND\n* S1 (9) connected to GND\n* S0 (10) connected to ESP D3 (GPIO0)\n* A0 (12) connected to ambient light SIG\n* AN (13) connected to ESP AD0\n* A1 (14) connected to soil moisture SIG\n* VCC (16) connected to 3.3v\n![blah](https://i.imgur.com/D2DNbd4.png)\n\n#### Soil Moisture Sensor\n* SIG pin connected to mux 14 (A1)\n* GND pin connected to GND\n* VCC pin connected to D2 (GPIO4)\n\n#### Ambient Light Sensor\n* SIG pin connected to mux 12 (A0)\n* GND pin connected to GND\n* VCC pin connected to D1 (GPIO5)\n\n#### Temperature and Humidity Sensor\n* GND pin connected to GND\n* 3.3V pin connected to 3.3V\n* DA pin connected to D6 (GPIO12)\n* CL pin connected to D5 (GPIO14)\n\n## Parts list\n* ESP8266 12E Dev Board\n* Soil Moisture Sensor\n* Temperature and Humidity Sensor\n* Ambient Light Sensor\n* Analog Multiplexer\n* Solar Buddy\n* Solar Panel\n* Lipo\n* Transistors\n\n# Datasheets\n\n## ESP8266 Dev Board\n* Development Docs: https://arduino-esp8266.readthedocs.io/en/latest/index.html\n* Product link: https://www.banggood.com/Geekcreit-Doit-NodeMcu-Lua-ESP8266-ESP-12E-WIFI-Development-Board-p-985891.html\n* Getting started with Arduino IDE guide: http://www.instructables.com/id/Programming-the-ESP8266-12E-using-Arduino-software/\n* USB Driver: http://www.chinstruments.com/downloads.shtml\n* Pinout: http://www.kloppenborg.net/images/blog/esp8266/esp8266-node-mcu-pinout.png\n![blah](http://www.kloppenborg.net/images/blog/esp8266/esp8266-node-mcu-pinout.png)\n\n## Soil Moisture Sensor\n* Product link: https://www.sparkfun.com/products/13322\n* Schematic: https://cdn.sparkfun.com/datasheets/Sensors/Biometric/SparkFun_Soil_Moisture_Sensor.pdf\n* Hookup guide: https://learn.sparkfun.com/tutorials/soil-moisture-sensor-hookup-guide\n\n## Temperature and Humidity Sensor\n* Product link: https://www.sparkfun.com/products/13763\n* Schematic: https://cdn.sparkfun.com/datasheets/Sensors/Weather/SparkFun_Si7021_Breakout.pdf\n* Datasheet: https://cdn.sparkfun.com/datasheets/Sensors/Weather/Si7021.pdf\n* Hookup guide: https://learn.sparkfun.com/tutorials/si7021-humidity-and-temperature-sensor-hookup-guide\n* Libraries: https://github.com/sparkfun/Si7021_Breakout/tree/master/Libraries\n\n## Ambient Light Sensor\n* Product link: https://www.sparkfun.com/products/8688\n* Datasheet: https://www.sparkfun.com/datasheets/Sensors/Imaging/TEMT6000.pdf\n* Hookup guide: https://learn.sparkfun.com/tutorials/temt6000-ambient-light-sensor-hookup-guide\n\n## Analog Multiplexer\n* CD74HC4052E\n* Product ink: https://www.digikey.ca/product-detail/en/texas-instruments/CD74HC4052E/296-9217-5-ND/376770\n* Datasheet: https://www.ti.com/lit/ds/symlink/cd74hc4051.pdf\n\n## Solar Buddy\n* Product link: https://www.sparkfun.com/products/12885\n* Schematic: https://cdn.sparkfun.com/datasheets/Prototyping/SunnyBuddy-v13a.pdf\n* Datasheet: https://cdn.sparkfun.com/datasheets/Prototyping/LT3652.pdf\n* Hookup guide: https://learn.sparkfun.com/tutorials/sunny-buddy-solar-charger-v13-hookup-guide-\n\n## 2W Solar Panel\n* Product link: https://www.sparkfun.com/products/13781\n\n## Lipo\n\n## Transistors\n* Datasheet: https://cdn.sparkfun.com/datasheets/Components/General/BC337.pdf\n","funding_links":[],"categories":["KiCad (1)","KiCad","KiCad 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