ATK-HC05 Bluetooth serial module experiment
no vote
After pairing, it only needs to be used as a fixed baud rate serial port. Therefore, as long as the serial port device in the communication format of "fixed baud rate, 8-bit data, no parity", it can directly replace the original wired serial port without modifying the program. Such as data acquisition, intelligent car, serial printer, outdoor dot matrix bar screen control, etc.