This project is to detect smoke levels using an MQ-2 smoke sensor and provide visual and auditory alerts based on the detected smoke concentration. This Arduino code is for a smoke detection system ...
// Pin Definitions #define MQ2PIN A0 // MQ-2 analog output to Analog Pin A0 #define BUZZER 8 // Buzzer connected to Digital Pin 8 #define LED 9 // LED connected to Digital Pin 9 // Smoke detection ...
While we’re certainly not denying that smoke detectors are useful, there’s a certain kind of tragedy to the fact that most of them will never realize their true purpose of detecting smoke, and ...
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