Gas Leakage Detection

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Gas leakage is very dangerous, to prevent that from happening, this project was created

Stevanus

1

setup sensor and led

from machine import ADC
from machine import Pin
import time
adc0=ADC(0)
led=Pin(4,Pin.OUT)
target=200
while True:
print("gas=",adc0.read())
time.sleep(1)
if adc0.read() > target:
led.value(1)
else:
led.value(0)
2

wiring

-MQ135
A0 = A0
GND = GND
VCC = 5V
-LED
+ = D2
- = GND

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