Ultrasonic remote control transmitter
Source: InternetPublisher:三岁就很酷 Keywords: Power supply other power circuits Updated: 2021/01/10
![Ultrasonic remote control transmitter](http://www.eeworld.com.cn/circuit/upload/7be3e4c358645c7a06a295dc390fcf97/cbd3e772741eae66dae233ce6893ee72.gif)
A GC Electronics P/NJ4-815 ultrasonic transducer is a 40kHz transmitter for remote control applications.
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