Build miniature IoT devices using this compact, cost-effective GPS and GSM module. Fully open-source with design files and BOM.

Learn how to build a compact GSM-based audio surveillance device capable of long-range monitoring.

Plus, it physically cuts off power to the phone's GSM module, so you are all the way offline.

Arduino project for controlling a car using GSM and Bluetooth. This project involves interfacing Arduino with SIM800L GSM module and L298N motor driver for remote control via SMS and Bluetooth ...

This GSM car tracker system will use GPRS of SIM800 GSM module which will be connected with a microcontroller like Arduino. Although both the GSM module and the Arduino boards are available as ...

DFRobot DF2301QG offline voice recognition sensor module is easy to custom and programmable with the Arduino IDE.

The RGB LED module lets you make all sorts of colors with just four pins from the Arduino. Learn how to do it here!

Conta-clip Presents Slim GSM Retrofit Module for SMS Fault Messaging September 15, 2022 Conta-clip Presents Slim GSM Retrofit Module for SMS Fault Messaging Many waterworks stations and agriculture ...

SIM800L GSM/GPRS module has 12 pins altogether. This article discussed how this module works and how to use it with ESP32 for IoT Projects ...