Water Level Sensor Module for Arduino AVR ARM STM32 STM8

Congratulations to the ICStation team! They have developed this wonderful water level sensor module by great efforts.This module with small size and high cost-effective is easy to use.In this article, we will use the digital storage oscilloscope to show you how the output voltage change with the immersion depth.What’s more,we will show you an interesting actual application case.You will have a clear idea of how this module to realize the function of water level alarm.

Features: Simple ,Easy to use,Small size,Light, High Cost-Effective
Applicable Occasion:Water level alarm design
Parameter:
Working Voltage: DC5V
Working current: Less than 35mA
Type :  Analog sensor
Testing area: 40mm x 18mm
Working temperature: 10℃-30℃
Working moisture: 10%-90% without condensation
Fixing hole size: Φ3mm
Product size: 60mm x 22mm

Diagram

Function Introduction

 

Functional Test

Testing environment:barreled pure water
Testing procedures:
1.Connect the module to 5V power supply
2.Put the module to into the pure water
3.Observe the relation between the immersion depth and the output voltage of AO end.

Actual testing results:

①Totally out

Output Voltage: 0V
Output Current:0mA

②Immerse part of the module

Output Voltage: 3.22V
Output Current: 28mA

③Immerse full part of the module

Output Voltage: 3.42V
Output Current: 32mA
According to the three groups of data, we can make a conclusion that the actual testing results meet the requirement of application.

Actual application case

Use this water level sensor module to control on or off about the LED which is on the arduino board.
Tools:
1.arduino uno
2.Pin Header
3.Dupont Cable 

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