Log plant moisture readings to Google Sheets with ESP8266

Periodically send soil moisture readings to your Google Sheet. Graph how your plants are doing!

Suggested Parts



Another low cost WiFi controller

Soil Moisture Sensor Module

Soil Moisture Sensor Module

A capacitive soil moisture sensor with analog output

Wiring Diagram

Wiring diagram


Sample code is provided for the suggested parts, but you can modify the sample to work on any device capable of an MQTT connection.

Available code templates

  • Arduino

How it works

  • Pay once to generate your unique keys for your device
  • Interact with this Thingio service using these keys in your code
  • Use the sample code directly or modify it to fit your project