Hello friends, many times it happens that somewhere the wire is cut or keeps on getting damaged, we cannot see it and then it is underground wire, we have to see whether the current is flowing in it without coming out or not. so for that we are going to make a device
So to make it we will need some electronics components like –
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BC547 Transistor – https://amzn.to/3gH60vM
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100k Resistor – https://amzn.to/3gSssSH
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220k Resistor – https://amzn.to/3bbrFt3
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1M Resistor – https://amzn.to/3vvcoMJ
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3mm LED – https://amzn.to/2YR1Taj
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Switch – https://amzn.to/3AfPlr3
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Battery – https://amzn.to/2ZQj0tu
This is its circuit diagram –
You have to solder these components according to the circuit
If you don’t understand then you can watch this video
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