How to Make an IR Proximity Sensor | Touchless Door Bell

Learn- How to make LM358 based IR Proximity Sensor at home. This sensor Can work as a Touchless Door Bell.
Project file on the free design tool: https://easyeda.com/tapendramandal/IR...

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Download Circuit Diagram- http://www.mediafire.com/file/56l4hmo...


Required Components-
Buy Readymade IR sensor (http://amzn.to/2meFM4F)
1. LM358 IC
2. Zero PCB Board
3. IR Transmitter Receiver Pair
4. Buzzer
5. LED
6. 10K ohm Variable Resistor
7. Resistor(100ohm, 220ohm, 10K) etc.


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