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  • Make An Simple Motion Sensor Light! (PIR)

    hi, i think you can first build complete sensor circuit using PIR and bc547 and just put couple of LEDs in series at your output instead of one, then you use your solar power as your supply (find a way to get 2 output terminals into sensor circuit) ,since its 9v youll probally have to not put any resistor in series with LEDs as they are many....but if so, say 10 LEDs...you can put variable to 70ohm

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