DC4.5V NE555 Pulsbreite Motor Drehzahlregler Kit Zum Selbermachen Lehren Elektronik
2,77 €
D1 is used to prevent the power connection from damaging JE555, D2, C1, R1, R2, w1, 1C1 to form a pulse generator with adjustable pulse width. D3 and C5 eliminate the Counter-electromotive force generated by the motor to protect the triode.
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