Infrared remote control tester circuit schematic diagram
Source: InternetPublisher:消失的歌 Updated: 2021/07/04
This circuit is ideal for checking the basic operation of an infrared remote control. This circuit is based on the brilliantly simple idea of connecting a piezoelectric buzzer directly to an infrared receiver IC. This method is almost as simple as connecting an oscilloscope directly to the photodiode.
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