Ultrasonic remote control transmitter circuit
Source: InternetPublisher:王达业 Keywords: Ultrasonic remote control transmitting circuit BSP Updated: 2020/02/13
Shown is a simple ultrasonic remote control transmitter circuit , which is mainly used as the transmitter part of the ultrasonic remote control switch circuit.
When the switch S is pressed, the battery supplies power to each component in the circuit, and IC1 starts to work. The oscillation signal output by IC1 is
amplified by VT1 and VT2 and drives the ultrasonic transmitter Wl to emit an ultrasonic signal.
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