The damages that can be done by fire are devastating. To prevent causalities or damages, it is necessary to detect the fire, so that warnings can be provided and even automatic fire suppression systems can be activated. There are multiple ways to detect a fire, like detecting temperature change, smoke detection, etc. In all of these, detecting temperature change would be more accurate, since some fires won’t even have detectable smoke. Even the temperature measurement is not too dependable since sometimes it’s too late when the change is detected. To overcome this, we can detect the thermal radiation instead of the temperature variation. The easiest and cheapest way to detect thermal radiation is to use a flame sensor module. In the below tutorial, we will see how we can interface a flame sensor module with Arduino Uno.
To use the flame sensor with Arduino, we only need to connect two wires. Connect the VCC and GND of the module to the 5V and GND pins of the Arduino. Then connect the D0 pin to the Arduino’s digital pin 2. We will monitor the state of this pin to detect the fire.
After connecting the sensor module with the uno board, you will need to write the code. You can find the detailed tutorial with code here.
After connecting the sensor module with the uno board, you will need to write the code. You can find the detailed tutorial with code here.