GSM Module’s Rx and Tx pins are directly connected with Arduino’s pin D3 and D2 respectively (Ground of Arduino and GSM must be connected with each other). 4x4 keypad Row pins R1, R2, R3, R4 are ...

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 ...

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 ...

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 will then use a GSM module to first send an SMS to the owner and then make a call on the specified number. How to Make A Security Alarm Using GSM Module? Enough security from burglars, smoke, ...

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 ...

This is a comprehensive Arduino library to make HTTP or HTTPS communication through the SIMCom SIM800L module. The library has been designed to limit the memory usage by working with the same shared ...

Arduino will also provide three kind of antennas for the A000044. * X000003 small antenna * X000004 medium antenna * X000005 Antenna with cable *Summary of main features of the product* * Connect to ...

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… ...