Gas Leakage detection system#104
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Added detailed readme for Gas Leakage Detection System project, including features, components, circuit connections, code explanation, sample output, future enhancements, dependencies, and instructions on how to run the project.
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🔍 Overview
This PR adds the complete implementation of a Gas Detection System using an ESP32, MQ Sensor, I2C LCD, Buzzer, and LED.
The system detects the presence of harmful gases and provides real-time alerts through both visual and audible indicators.
✅ Changes Made
🧠 Implemented core gas detection logic using analog input (GPIO 32)
💡 Integrated I2C LCD (0x27) for displaying gas status messages
🔔 Added buzzer and LED alerts for dangerous gas levels
🔁 Mapped sensor values to percentage scale (0–100) for better readability
📟 Displayed "Normal Condition" or "Gas Detected!!" dynamically on LCD
🧾 Added clear documentation comments inside the code
🧰 Included serial monitoring for debugging and calibration
🧪 Testing Performed
✅ Tested on ESP32 board with MQ-2 sensor
✅ Verified LCD shows accurate gas status
✅ Buzzer activates when gas level ≥ 65%
✅ LED lights up simultaneously with buzzer alert
✅ No hardware or software conflicts detected
Contributor: @shirshanag