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I'm excited to share my latest project ... Fire Alarm System, you will need the following components: Arduino Uno or compatible board MQ-2 Smoke Sensor Buzzer LED (Optional for visual alert) Jumper ...

This project demonstrates the development of a Fire and Smoke Detection System using ... Follow the circuit diagram above to correctly connect the components. Upload the Code: Open the Arduino IDE, ...

We have not build this smoke alarm detector. Using this photoelectric smoke detector circuit can be designed a very simple and low power smoke detector alarm project that is based ... source The ...

This detection alarm is achieved by using a basic unit with different sensors for smoke, LPG and alcohol. So, different alarms can be made by simply changing the input sensor. Fig. 1 shows circuit ...