In this project, we will build Gas Leak Detection & Alarm System using MQ2 Gas Sensor and Arduino UNO Board. The MQ2 sensor is a versatile gas sensor capable of detecting a wide range of gases as well ...

The circuit is constructed where the SW-420 module and LED are connected with Arduino Uno. Arduino Uno Vibration Sensor Programming. Programming the Arduino UNO to interface vibration sensor doesn’t ...

GSM module sends an SMS alert to emergency contacts. System resets when no fire/smoke is detected. Code File 📂 Filename: fire_alarm_system.ino 📌 Language: Arduino C++. Installation & Setup Connect ...

Fig. 1: Circuit diagram of the Arduino based GSM home automation system. Brain of the circuit is Arduino Uno MCU board (Board 1). PIR sensors (connected across CON4 through CON8) detect motion, and ...

Working Explanation: In this Arduino Mobile Phone Project, we have used Arduino Uno to control whole system’s features and interfacing all the components in this system. A 4x4 Alphanumeric Keypad is ...