Waveshare Liquid Level Sensor

Overview
Output voltage boosts along with the immersion depth of the module

Specifications
1. Detection depth: 48mm
2. Power: 2.0V ~ 5.0V
3. Dimension: 19.0mm * 63.0mm
4. Mounting holes size: 2.0mm

Applications
Water level alarm

How to Use
In the case of working with a MCU:
1. VCC-- 2.0V ~ 5.0V
2. GND--Power supply ground
3. AOUT--MCU.IO (analog output)