Open the gsm_communication.ino file in Arduino IDE. Install the SoftwareSerial library if not already installed. Connect the GSM module to Arduino: TX of GSM to Pin 10 of Arduino; RX of GSM to Pin 11 ...

arduino gsm security alarm. ... // RX and TX pins to communicate with GSM module #define msg_key 7 #define call_key 8 #define end_key 9 String number ="0000000000"; // Add the 10-Digit Mobile Number ...

An Arduino is equipped with a piezo sensor to detect impact, and a GSM shield takes care of the texting. It’s an interesting concept, similar to requiring police officers to wear body cameras.

An Arduino Library for GSM SIM800L, compatible with Arduino UNO, MEGA, DUO, ESP8266, ESP32 - ankitghevariya/SIM800L. Skip to content. Navigation Menu ... Library SIM800L GSM Module for Arduino UNO, ...