Interface the sim800lgsm module with Arduino UNO and learn how to troubleshoot sim800l module not working problems to send SMS and make phone calls ... this will later be useful when we are connecting ...

The RS232 interface helps this module to be connected to a PC or any other microcontroller serially. After it is connected to a microcontroller using a serial cable, it can send SMS, make voice calls ...

GSM Module RX Pin: Connect to Arduino Mega TX1 (Pin 18) GSM Module TX Pin: Connect to Arduino Mega RX1 (Pin 19) GSM Module Reset Pin: Connect to Arduino Mega Pin 40; Baud Rate: Baud Rate: 9600 (Both ...

In this project, the author is going to construct a system using a Arduino Development board and GSM module. He connects a switch/sensor to the Arduino board along with the GSM module. The user ...

Click to Enlarge. The board can be programmed in the Arduino IDE by selecting Arduino Mega board. SIM808 modem is controlled with AT commands so that might not be the most programmer friendly board ...

A simple web interface to control an Arduino relay via SIM800L GSM module - SiliconWit/relay-toggle ...

Real Time Home Security System using GSM Technology-An Anti-theft System! This project deals with the design & development of a theft control system for home, which is being used to prevent/control ...

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.