Introduction - If you have any usage issues, please Google them yourself
1. Through the PC-side debugging tools for serial port, from the PC client sends a hexadecimal number, by serial transmission to the microcontroller, and a single-chip through the LED digital tube display its ASII code, but also single-chip microcomputer this number back to PC client, and displayed in the client PC in order to achieve single-chip microcomputer and PC-communication 2. can be achieved for the next bit of real-time machine data collection (such as temperature, the procedures set is 37 degrees C) 3. flowing water can be controlled such as lights or relay switch