This will help the Arduino to listen to the GSM module. When a call arrives to the GSM module the Arduino will listen to it and ask the GSM module to answer the call. The Arduino makes sure that the ...

SIM800L Module Pinout. The SIM800L module is a GSM/GPRS module that offers a wide range of functionalities. It resembles a small chip with an antenna connector and various pins. The below image shows ...

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.

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 ...

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 ...

As shown in Fig. 1, Arduino Board 1 and GSM module get ground connection through transistor TIP142 (T1). Also, very little drive current (<5mA) is required from Board 1. A 12V, 2A regulated power ...

Download "sms_call_gate.ino" Sketch from the repository and Upload it to Arduino. NOTE : Make sure to replace your number in code at line number 71. The number must be in international format. After ...

How to send a GET and POST request with AT commands using the SIM900 GSM/GPRS module and the Arduino UNO. This is useful for retrieving data from the Web and sending data to a web server for Internet ...

The Spark Electron was released a few days ago, giving anyone with the Arduino IDE the ability to send data out over a GSM network. Of course, the Electron is just a GSM module tied to a microcontr… ...

Open Electronics has released an updated version of their GSM/GPRS shield for Arduino, with new hardware features designed to expand user customisation options and support a wide variety of ...