Infrared remote control relay circuit b
Source: InternetPublisher:已注销 Keywords: Relay circuit infrared remote control transistor Updated: 2021/08/05
For the transmitting circuit, turn on the power, the infrared light-emitting diode emits light, the receiving circuit is as shown in the figure, the transistor
3DU5
that receives the infrared light outputs the received signal through the NE555 timer 3 terminal, so that the relay coil is
electrically attracted, and the The normally open contacts are reunited to make the load work.
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