SMS passthrough 51 single-chip microcomputer and command mode of the AT command set is via a serial port assistant? Or send the AT command set by 51 MCU?

CodePudding user response:

Through the microcontroller serial port to send

CodePudding user response:

Through the AT command set,

CodePudding user response:

Is single chip microcomputer to the communication module sends the AT command?

CodePudding user response:

Microcontroller through the serial port to send the AT command communication module, serial port receiving the response returned communication module, MCU to determine whether a response right and right is continued, wrong see module and single-chip microcomputer connection if there is a problem and get back before operation steps,