This circuit diagram illustrates a fire and smoke detection system using an Arduino UNO R4 WiFi, MQ2 smoke sensor, and a flame sensor (fire sensor). The Arduino is the central controller that receives ...

Fire Detection:Uses a Flame Sensor to detect fire in the vicinity. Smoke Detection:Uses a MQ-2 Gas Sensor to detect smoke or harmful gases. Alert System: Utilizes a Buzzer and/or LED to alert when ...

LCD displays "FIRE HIGH" or "SMOKE HIGH". 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: ...

Gas leaks can pose serious safety risks, especially in homes, kitchens, and small commercial spaces. In this project, you'll learn how to build a simple and budget-friendly gas leakage detector using ...