The basic infrared emission circuit consists of four parts: power supply, Remote Control ASIC, matrix key and infrared emission circuit.<br>Using LEDs to get infrared light is relatively the easiest. Infrared light-emitting diode is a kind of semiconductor diode, which can convert electric energy into light energy. It is composed of a PN junction. It is an injection current type light-emitting device, which has single guide electricity.<br>
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