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Maker 101
Published © LGPL

Make Touchless Warning Buzzer (IR Proximity Sensor)

Make LM358 based IR Proximity Sensor at home. This sensor can work as a Touchless Warning Bell.

BeginnerShowcase (no instructions)1 hour629
Make Touchless Warning Buzzer (IR Proximity Sensor)

Things used in this project

Hardware components

PCB Board
×1
LM358 IC
×1
IR LED
×1
Buzzer
×1
10K Trimpot
×1
Resistor(100ohm & 10K)
×1
Battery Connector
×1
9V Battery
×1
Soldering Tool Kit
×1

Story

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Credits

Maker 101
55 projects • 194 followers
Maker 101; Beginner and intermediate level Maker projects!

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