Starter Guide

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Lesson 23 CM+Water level sensor
module
Introduction
In this lesson, let’s learn about the use of the water level sensor.
The module is a simple water level sensor. It measures the water volume by
the printed wires exposed to the air on the module. The more water on the
surface, more wires connected. Thus, the area of electrified wires gets larger,
so the output voltage will increase. The surface of the sensor is gilded to
prolong its life.
Water Level sensor Module
1
Analog output
2
Analog output
CM Module
1
Analog output
2
Analog output
S
Digital output
A
Analog output
-
GND
+
3.3V