Water Sensor


This is a water sensor that detects the presence of water and the water level and returns an analog value.

The range of the return value is 0-1023, a higher value means the water level is higher.


  • Voltagw: 3.3V~5V

  • Type: Analog Module

  • Interface: 3Pin PH2.0

Wiring Diagram

This is an analog module, it can only use P0-P2.(Remove the buzzer jumper when P0 is in use.)

Robotbit Shield

Connect the sensor to Robotbit Shield’s 3Pin port.



Connect the sensor to Robotbit’s pin and 3V pin.


MakeCode Coding Tutorial



This module can be used with Microbit and Meowbit.

Reading the water level value





KittenBlock Coding Tutorial


Load the Robotbit extension


Reading the water level value


Mu Editor Coding Tutorial

Reading the water level value