How to Make a Non Contact Tester

by Electro Retro in Circuits > Electronics

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How to Make a Non Contact Tester

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This project is simple and working

How to make a non contact tester

More details in video

Parts List

1) 4017 ic

2) 330 ohm resistor

3) led

4) buzzer

5) 9v battery and connecter

6) antenna(small piece of wire)

7) pcb

Tools Needed

1) soldering iron

2) solder

3) flux

4) pcb holder(optional)

5) nail cutter(for cutting unwanted legs of components)

6) cleaning alcohol

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