CodePudding user response:
Match first bluetooth module, ultrasonic distance measurement with single chip microcomputer to do first, modular functionality, look for routines, very simple, general won't have the program as you demand, or to yourselfCodePudding user response:
Match first bluetooth module, ultrasonic distance measurement with single chip microcomputer to do first, modular functionality, look for routines, very simple, general won't have the program as you demand, or to yourself