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How to make Automatic ON/OFF Solar Street Lamp Circuit with Battery Charging
Required Components:-
1) BC547 Transistor
2) 1K Resistor
3) 4V LED
4) 1N4007 Diode
5) Battery Holder
6) 3.7V Battery
7) 5V Solar Panel
➡️ Circuit Diagram Link :- drive.google.c...
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