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FIRE SENSOR DETECTION WITH SOUND ALERT USING ARDUINO

  FLAME SENSOR INTERFACE USING ARDUINO 

 

 

🔥FIRE SENSOR Interface with Arduino – Short Note

Overview:

A flame sensor is used to detect the presence of fire or flame. It typically detects infrared light emitted by a flame. These sensors are commonly used in fire detection systems and safety applications.

✅Working Principle:

  • The flame sensor has an IR receiver (like photodiode or phototransistor) tuned to the wavelength of fire.

  • It gives LOW (0) when flame is detected.

  • It gives HIGH (1) when no flame is detected.

🔌Connection:

  • VCC → Arduino 5V

  • GND → Arduino GND

  • OUT → Arduino Digital pin (e.g., D8)

  • BUZZER → Arduino Digital pin (e.g., D13)

🔌 Circuit Diagram:

 

 

📝 Sample Arduino Code:

int sensorPin = 8; // FLAME sensor output pin
int ledPin = 13; // LED to indicate object detection

void setup() {
pinMode(sensorPin, INPUT);
pinMode(ledPin, OUTPUT);
Serial.begin(9600);
}

void loop() {
int sensorValue = digitalRead(sensorPin);

if (sensorValue == LOW) {
digitalWrite(ledPin, HIGH);
Serial.println(“Fire Detected”);
} else {
digitalWrite(ledPin, LOW);
Serial.println(“No Fire”);
}

delay(1000); // Delay for readability
}

📟 Arduino Use Case

When connected to Arduino, the FIRE sensor can be used to:

  • Fire-fighting robots

  • Safety and security systems

  • Industrial fire alarms

 

📞 For More Details & Project Support:

 

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