The code written in Arduino can communicate with the GSM modem using AT commands. AT commands are sent or received from the modem using serial communication functions provided by Arduino library.

Working Explanation In this project, Arduino is used for controlling whole the process. Here we have used GSM wireless communication for controlling home appliances. We send some commands like ...

Send SMS using push switch In this device whenever the switch is pressed, a text message (text in the code) will send to the number specified in the code. When the pushbutton is pressed, the Arduino ...

RST_ARD: Description: Performs a software reset of the Arduino. Usage: Send "RST_ARD" command over the USB serial interface. Sending SMS: Description: Sends an SMS using the GSM module. Usage: Send a ...