The Intelligent Fire Detection System is an advanced safety project designed to swiftly identify and alert users to potential fire hazards. Combining temperature and gas sensors, the Arduino-based system continuously monitors environmental conditions.
The project employs LED indicators, a buzzer, and NeoPixel LEDs to provide a comprehensive and immediate response to detected threats. The integration of NeoPixel LEDs introduces a dynamic visual element, enhancing user understanding of the severity of the situation.
Component List:
| Name | Quantity | Component |
|---|---|---|
| U1 | 1 | Arduino Uno R3 |
| U2 | 1 | Temperature Sensor [TMP36] |
| D1 | 1 | Blue LED |
| D2 | 1 | Green LED |
| D3 | 1 | Orange LED |
| D4 | 1 | Red LED |
| R1 R3 R4 R5 | 4 | 100 Ω Resistor |
| R2 | 1 | 1 kΩ Resistor |
| GAS2 / | 1 | Gas Sensor |
| PIEZO1 | 1 | Piezo |
| JEWEL1 | 1 | NeoPixel Jewel |
The circuit features LEDs for distinct temperature and gas levels, controlled by an Arduino board connected to temperature and gas sensors.
NeoPixel LEDs display a wide color range, offering a clear visual representation of the threat level. A buzzer provides an audible alert, ensuring timely response to potential fire dangers.
Arduino Code:
#include <Adafruit_NeoPixel.h>
#define pin 3
#define NUMPIXELS 7
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, pin, NEO_GRB + NEO_KHZ800);
int led1 = 8;
int led2 = 4;
int led3 = 10;
int led4 = 11;
float temp_sensor = A0;
int gas_sensor = A1;
int pinzo = 7;
int sensorThreshold = 100;
float temp_reading;
float temp;
float temp_final;
void setup()
{
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
pinMode(led4, OUTPUT);
pinMode(temp_sensor, INPUT);
pinMode(gas_sensor, INPUT);
pinMode(pinzo, OUTPUT);
Serial.begin(9600);
}
void loop()
{
int analog_sensor = analogRead(gas_sensor);
temp_reading = analogRead(temp_sensor);
temp = (temp_reading / 1023) * 5000;
temp_final = (temp - 500) / 10;
Serial.print("Temperature : ");
Serial.println(temp_final);
Serial.print("Sensor : ");
Serial.println(analog_sensor);
if (analog_sensor > sensorThreshold || temp_final > 59)
{
digitalWrite(led4, HIGH);
digitalWrite(led3, LOW);
digitalWrite(led2, LOW);
digitalWrite(led1, LOW);
tone(pinzo, 345, 255);
for (int i = 0; i < NUMPIXELS; i++)
{
pixels.setPixelColor(i, 255, 0, 0);
pixels.show();
delay(50);
pixels.setPixelColor(i, 212, 45, 45);
pixels.show();
}
}
else
{
digitalWrite(led4, LOW);
digitalWrite(led3, LOW);
digitalWrite(led2, HIGH);
digitalWrite(led1, LOW);
}
if (temp_final < 0)
{
digitalWrite(led4, LOW);
digitalWrite(led3, LOW);
digitalWrite(led2, LOW);
digitalWrite(led1, HIGH);
for (int i = 0; i < NUMPIXELS; i++)
{
pixels.setPixelColor(i, 0, 0, 255);
pixels.show();
delay(50);
pixels.setPixelColor(i, 125, 96, 238);
pixels.show();
}
}
else if (temp_final > 0 && temp_final < 25)
{
digitalWrite(led4, LOW);
digitalWrite(led3, LOW);
digitalWrite(led2, HIGH);
digitalWrite(led1, LOW);
for (int i = 0; i < NUMPIXELS; i++)
{
pixels.setPixelColor(i, 0, 255, 0);
pixels.show();
delay(50);
//pixels.setPixelColor(i,40,172,31);
// pixels.show();
}
}
else if (temp_final > 0 && temp_final < 59)
{
digitalWrite(led4, LOW);
digitalWrite(led3, HIGH);
digitalWrite(led2, LOW);
digitalWrite(led1, LOW);
for (int i = 0; i < NUMPIXELS; i++)
{
pixels.setPixelColor(i, 255, 247, 0);
pixels.show();
delay(50);
}
}
}
This Intelligent Fire Detection System not only employs a thoughtfully designed circuit but also offers a multifaceted sensory experience for users.
The combination of visual and audible alerts ensures that potential fire incidents are addressed promptly, making it a valuable addition to home, office, or industrial safety measures. The project strikes a balance between sophistication and user-friendliness, contributing significantly to fire prevention and safety.
