//Included Libraries #include "liquidcrystal.h" //MACROS are defined here const int resetPin = 12; const int enablePin = 11; const int d4 = 5; const int d5 = 4; const int d6 = 3; const int d7 = 2; ...
This project uses an MQ gas sensor and a buzzer with an Arduino Uno to detect gas leaks and issue an audible alert. The gas sensor is connected to analog pin A0. The buzzer is connected to digital pin ...
This project uses an MQ2 gas sensor, relay module (for motor or exhaust fan), buzzer, and LEDs to create a complete gas leakage detection and alert system using Arduino. When gas concentration crosses ...
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