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