How to make a fire sensor circuit using Arduino and flame sensor

Welcome again to the Electron Tips Blog, In today’s lesson we will present to you a method for making a fire sensor or alarm using a fire sensor and an Arduino Board, You can browse a comprehensive topic about the working principle of the Arduino uno board from here, Now we will go through the electronic elements necessary to create this electronic circuit .

Electronics components :

Flame sensor.
Arduino Uno board.
Led lamp.
Two resistors, respectively, 220 ohms and 5 kilo ohms.
buzzer .
Breadboard.
Wires to connect the electronic circuit.

Explanation of the flame sensor:

The fire sensor consists of several electronic components, and these are the components and terminals of the fire sensor:

Flame sensor explain

IR sensor.
Adjust the sensitivity of the device.
flame indicator.
digital pin output.
Analog pin output.
Feeding pin Vcc.
GND ground terminal.

Arduino fire sensor circuit diagram:

This is the fire alarm circuit diagram using the Arduino:

Arduino & flame sensor diagram

May also like:

What is Arduino Board.

Working principle of Raspberry Pi device .

The importance of grounding system.

The software code for the fire sensor circuit:

This is the code for the fire sensor project that you must place in the Arduino IDE environment and download it to the Arduino Uno board using your computer:

int FlameSensor Pin=A0;
int FlameSensor Reading;
int LED=2;
void setup() {
// put your setup code here, to run Serial.begin(9600); port //open the serial
once:
pinMode(LED, OUTPUT); //led
}
void loop() {

// put your main code here, to run repeatedly:

FlameSensor Reading-analogRead(FlameSensorPi Serial.println(FlameSensor Reading);
if (FlameSensor Reading>5){ digitalWrite(LED, HIGH);
tone( 3, 2000, 500);
}
else{
digitalWrite(LED, LOW);
}
delay(500);

}

Conclusion:

In the end, this was an explanation of how to connect the fire sensor to the Arduino board to create a fire sensor circuit. We have previously presented another fire alarm circuit using a thermistor element, you can browse it from here.

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