Solar tracker circuit

This circuit is an one axis solar tracker.
Today this circuit used in modern solar street light and solar systems in homes for increasing the efficiency.
I tested it and work well.
Best dc motor for this circuit is cordless drill motor (without removing gearbox)because that is very powerful and can move your heavy solar panel easily.
In following video you can see how it work, however i test it without solar panel.

Parts list:
IC LM324
LDR(2pcs)
Transistor BD139(2pcs)
Transistor BD140(2pcs)
Potentiometer 100k
potentiometer 10k
Diode 1N4007(4pcs)
Capacitor 100n
Resistor 47k
Resistor 15k
DC Motor 6 to 12v


 
Solar tracker circuit


Solar tracker circuit

Solar tracker circuit




Location: United States

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