A microcontroller infrared asynchronous communication port circuit diagram
Source: InternetPublisher:张三叔 Keywords: Power communication power Updated: 2020/12/04
The circuit introduced in this article was originally an actual circuit used for time adjustment and meter reading in a time-sharing electric meter. It is both simple and practical. Use infrared light transmitting tube sir-563 and infrared light receiving ic tube rpm6938 to realize the function of receiving and sending point signals, which can realize half-duplex two-way communication function. The communication distance is about 10 meters, and the asynchronous communication baud rate is 1200.
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