Keep a close eye on your plants this summer with this soil moisture sensor from Waveshare!

Its fork-like design makes it easy to insert into moist soil, and the output voltage goes up when the soil moisture level increases.

Sensor comes with a short 3-pin sensor cable for connecting to microcontroller pins.

Specifications

• Detection depth: 38mm
• Power: 2.0V ~ 5.0V
• Dimension: 20.0mm * 51.0mm
• Mounting holes size: 2.0mm
• 3-pin cable included
  

Applications

• Auto watering system
• Flowerpot soil moisture detection
• Auto pouring system

How to Use

Product Wiki - https://www.waveshare.com/wiki/Moisture_Sensor

In the case of working with an MCU:

• VCC ↔ 2.0V ~ 5.0V
• GND ↔ power supply ground
• AOUT ↔ MCU.IO (analog output)