In this video, the presenter is building an IoT project in which he would be building a microphone circuit using Arduino. When the smoke alarm goes off the microphone circuit detects it and send a ...

Power up the sensor through Arduino and connect the A0 pin of the sensor to A5 of Arduino. Connect a buzzer and an LED in a parallel configuration. Connect their one end to the ground of Arduino and ...

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: ...

How to Install a Smoke Detector. Other smoke detectors circuits. please send us an email if you know other interesting circuits. RE46C190 photoelectric smoke detector – source Using this photoelectric ...

Arduino based Fire Alarm – Circuit and Working Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. The system is powered by a step-down transformer (X1), a ...