How to make a continuity tester at home | continuity tester pen | Make continuity tester with light

How to make a continuity tester at home | continuity tester pen | Make continuity tester with light
This video is about How to make a continuity tester at home by using pen battery and a led it is simplest way to make an continuity tester . I hope this video will be helpful to all people who want to make a continuity tester both as hobby and to use in life...
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[@AdugbaPaulineOkoli]

Nice

[@manikdas4500]

Innovative. 👍👍🙏

[@imadyousufzai2998]

Very nice video❤️👍

[@Pico_Farad]

Without a current limiting resistor, you will destroy the LED in no time.