Gas Leak Detection

MQ-6 Semiconductor Sensor For LPG





Setting arduino with MQ-6 LPG

This Code

const int analogPin = A0; const int ledCount = 10; ledPins int [] = { 2, 3, 4, 5, 6, 7,8,9,10,11}; void setup () { for (int thisLed = 0; thisLed <ledCount; thisLed + +) { pinMode (ledPins [thisLed], OUTPUT); } } void loop () { int sensorReading = analogRead (analogPin); int ledLevel = map (sensorReading, 0, 1023, 0, ledCount); for (int thisLed = 0; thisLed <ledCount; thisLed + +) { if (thisLed <ledLevel) { digitalWrite (ledPins [thisLed], HIGH); } else { digitalWrite (ledPins [thisLed], LOW); } } }