AC line detector circuit. AC line checker use 2 transistor. @YouTube

how to make an AC line detector circuit.
This vedio is AC line checker circuit.
#AC #line #checker #circuit
@TH-cam #500subs
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[@Mahfujur_Rahman_11]

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[@Uniqueinventor]

Tnks your comment

[@ajithherath643]

What's input dc voltage

[@Uniqueinventor]

yes Use DC 4 to 5 volts as input. You can use lithium battery for this.