ESP32 KY-026 sensor Project
Fire detection system controlled by ESP32
Objective of this project:
In this project we will realize a fire detection system with the ESP32 card. It mainly uses a KY-026 flame sensor, and a buzzer.
When the flame sensor detects a fire, the ESP32 board instructs the buzzer to sound.
Necessary components
- ESP32
- KY-026 sensor
- Buzzer
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connecting wires
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a test plate
Mounting
To perform the assembly, you can connect
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the buzzer terminal (+) to pin D4 of the ESP32 board
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the buzzer terminal (-) to the GND pin of the ESP32 board
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pin DO of the flame sensor to pin D34 of the ESP32 board the VCC
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pin of the flame sensor to the 3.3V pin of the ESP32 board
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the GND pin of the flame sensor to the GND pin of the ESP32 board
Micropython program
Here is the program of the fire detection system:
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from machine import Pin, ADC from time import sleep flamme = ADC(Pin(34)) flamme.atten(ADC.ATTN_11DB) #Full range: 3.3v buzzer=Pin(4,Pin.OUT) while True: flamme_value = flamme.read() print(pot_value) sleep(0.1) if (flamme_value<4095): #if the sensor detects a flame buzzer.value(1) #the buzzer sounds else: buzzer.value(0) #the buzzer stops ringing |
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