Arduino KY-026 sensor Project
Fire detection system with Arduino
Purpose of this project:
In this project a fire detection system will be built with Arduino. It mainly uses a KY-026 flame sensor, buzzer and LED.
When the flame sensor detects a fire, the Arduino board orders the buzzer to ring and the red LED to light up.
Necessary components
- Arduino UNO
- KY-026 sensor
- Buzzer
- 1 resistance of 220Ω
- 1 red LED
- connecting wires
Mounting
To make the assembly, we can connect:
- 2 (+) red LED and buzzer terminals to pin 4 of Arduino
- 2 (-) red LED and buzzer terminals to Arduino GND pin
- DO pin of KY-026 sensor to pin A0 of Arduino.
- VCC pin of KY-026 sensor to 3.3V pin of Arduino.
- GND pin of KY-026 sensor to GND pin of Arduino .
Program
The Fire Detection System program is as follows:
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int digitalPin = 4; int analogPin = A0; // KY-026 analog interface int digitalVal; // digital readings int analogVal; //analog readings void setup() { pinMode(digitalPin, OUTPUT); digitalWrite(digitalPin, LOW); } void loop() { // Read the analog interface analogVal = analogRead(analogPin); if (analogVal<=11){ // the KY-026 sensor detects a fire digitalWrite(digitalPin, HIGH); //LED lights up and buzzer rings } else { // sinon digitalWrite(digitalPin, LOW); // LED goes out and buzzer stops ringing } delay(100); } |
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