GSM module is used in many communication devices which are based on GSM (Global System for Mobile Communications) technology. It is used to interact with GSM network using a computer. GSM module only ...

SIM800L GSM Module Connections (Requires Level Shifting) The SIM800L module needs special attention because it operates at 3.3V logic levels while Arduino uses 5V. We need a voltage divider circuit to ...

System resets when no fire/smoke is detected. Code File 📂 Filename: fire_alarm_system.ino 📌 Language: Arduino C++ Installation & Setup Connect the hardware as per the circuit diagram. Upload ...

Hardware To start, set up the hardware as shown below. Naturally, you’re going to need a valid SIM card to fully use the SIM800L module. For compactness, my setup was tested with a 1S (3.7-V) Li-ion ...

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.

This repository contains all the resources and files related to a custom-designed educational shield based on the Quectel M66 GSM module, fully compatible with the Arduino UNO. The board is tailored ...

In this Arduino, the required code to send the message is stored. GSM module is used to send the SMSand temperature sensor is used to detect the temperature. Published in: 2023 3rd International ...