CodePudding user response:
Hardware simulation, it's easy to see problems, see cell phone send information, what MCU receives the contentCodePudding user response:
Let MCU receives the data printed, may you have a problem receiving functionCodePudding user response:
Please refer to the followinghttps://blog.csdn.net/wuermohuang/article/details/51474800
Note: only the read and write properly connected end to normal communication,
Must remember bluetooth RX MCU TX, bluetooth TX microcontroller RX, must remember bluetooth RX MCU TX, bluetooth TX microcontroller RX, must remember bluetooth RX MCU TX, bluetooth TX microcontroller RX, important thing three times,