How to make Smoke and GAS Leakage Detector using Arduino, Gas Sensor and Alarm
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Built a smart smoke detection system using Arduino Uno that instantly senses smoke and automatically turns ON an exhaust fan. A red LED alert and OLED display provide real-time safety indication 🚨 Perfect DIY mini project for students, beginners, and electronics enthusiasts! 🔧 Components Used • Arduino Uno • MQ-2 Smoke Sensor • OLED Display (0.96" I2C) • Exhaust Fan / DC Motor • Relay Module • Red LED • Buzzer (optional) • Jumper Wires • Breadboard • 5V Power Supply 💡 How it Works (Short) The
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