simple electronic circuit project using bc548 transistor || bc547
part use:-
1) bc548 transistor - 2
2) 5mm LDR
3) 220R resistor - 2
4) 10k resistor
5) 18k resistor
6) 47 mfd capacitor
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![](https://i.ytimg.com/vi/eF61IVb2BWo/mqdefault.jpg)