Ultrasonic remote control receiver
Source: InternetPublisher:三月小雨 Keywords: Power communication power Updated: 2020/03/24
![Ultrasonic remote control receiver](http://www.eeworld.com.cn/circuit/upload/545c7860c5e4450c94c9d101ae3112d6/bef0ff7f2f8029501b7b96a8e5e9b36a.gif)
A GC Electronics P/NJ4-815 sensor is used to receive the signal. The receiver drives a relay to control another circuit.
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