Toy police car circuit

Posted on Mar 28, 2007

Circuit works: VT1 is integrated infrared receiver, the red-emitting diode Xiao perimeter triode reception. IC1 (NE556) is a dual time base manifold by R5, R6, C5, composed of an oscillation circuit, the oscillation frequency is about 1 200 Hz, by 5 feet to

Toy police car circuit
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drive the infrared emitting diode emits modulated infrared light. Infrared receiver diode R1, C1, R2, VT2 composition infrared receiver, photoelectric conversion and pulse trigger circuit.

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