Friends, with the help of this circuit you can change your Simple tester into a magic tester or continuity tester

With the help of this circuit you can check continuity and other many components. How to check components please see video at same page

Also read this Post:- Li-Fi Audio Transmission Click Here

Magic Tester/ Continuity tester Circuit

Magic Tester Continuity tester
Magic Tester Continuity tester

How To Make Magic Tester click on This Video

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