Garden thing
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LICENSE
README.md
config.h
growdammit-cache.lib
growdammit.ino
growdammit.kicad_pcb
growdammit.pro
growdammit.sch
schematic.png

README.md

growdammit

Garden thing, logs temperature, humidity, soil moisture, and ambient light.

Prototype: growdammit prototype

Prototype graph from logging overnight: growdammit prototype graph

Design

Circuit

schematic

Analog Multiplexer

  • 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 blah

Soil Moisture Sensor

  • SIG pin connected to mux 14 (A1)
  • GND pin connected to GND
  • VCC pin connected to D2 (GPIO4)

Ambient Light Sensor

  • SIG pin connected to mux 12 (A0)
  • GND pin connected to GND
  • VCC pin connected to D1 (GPIO5)

Temperature and Humidity Sensor

  • GND pin connected to GND
  • 3.3V pin connected to 3.3V
  • DA pin connected to D6 (GPIO12)
  • CL pin connected to D5 (GPIO14)

Parts list

  • ESP8266 12E Dev Board
  • Soil Moisture Sensor
  • Temperature and Humidity Sensor
  • Ambient Light Sensor
  • Analog Multiplexer
  • Solar Buddy
  • Solar Panel
  • Lipo
  • Transistors

Datasheets

ESP8266 Dev Board

Soil Moisture Sensor

Temperature and Humidity Sensor

Ambient Light Sensor

Analog Multiplexer

Solar Buddy

2W Solar Panel

Lipo

Transistors