Simple Soil Sensor - Overview
Simple soil humidity sensor
The simple soil sensor breakout board is a precise sensor that measures soil humidity using two exposed nickel-plated prongs. This sensor is also available in a version with I2C communication, featuring a default address of 0x30, and is designed for seamless Qwiic (formerly easyC) connectivity—eliminating the need for soldering.

Qwiic version of the soil humidity sensor board

Regular version of the soil humidity sensor board
Which product is this documentation for?

Simple soil humidity sensor board with easyC
333040

Simple soil humidity sensor
333045
Key Features
- Regular
- Operating voltage: 3.3V - 5V
- Output: analog and digital
- IC: LM393 comparator
- Mounting:
- Four holes on rain sensor
- Two holes on the simple sensor
- Dimensions:
- 55 x 38 mm (2.2 x 1.5 inch)
- 22 x 22 mm (0.9 x 0.9 inch)
- Qwiic
- Operating voltage: 3.3V
- Output: analog and digital
- IC: ATTINY404
- Communication: I2C (You may change the address via the switches on the front of the board)
- Connector: 2 × Qwiic (formerly easyC) ports (plug-and-play, no soldering needed)
- Mounting:
- Four holes on rain sensor
- Four holes on the simple sensor
- Dimensions:
- 54 x 38 mm (2.2 x 1.5 inch)
- 38 × 22 mm (1.5 × 0.9 inch)
You may also need

Qwiic cable
Qwiic (formerly easyC) compatible cables with connectors on both ends, available in various lengths.