SIM800L-Based LPG Leak Detection and Emergency Alert System
A compact 40×50 cm Arduino-based LPG leak detection model that uses a gas sensor and SIM800L module to alert users via buzzer, LCD, and SMS—ideal for safety and automation student projects.
5 in stock
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SIM800L-Based LPG Leak Detection and Emergency Alert System
Description:
The SIM800L-Based LPG Leak Detection and Emergency Alert System is a student safety innovation project built on a 40 × 50 cm foam board or sun board platform. This working model is designed to detect hazardous LPG gas leaks in real-time and instantly alert users via SMS using the SIM800L GSM module.
An LPG gas sensor continuously monitors the air for gas leaks. When a leak is detected, the system powered by Arduino UNO triggers a buzzer alert, activates an exhaust fan, displays a warning on a 16×2 LCD screen, and simultaneously sends a text message to a pre-set emergency contact through the GSM module. A servo motor can also simulate an automatic gas valve shut-off action for added safety.
🧰 Materials Used:
- Foam board / Sun board – for structural base (40 × 50 cm)
- Arduino UNO Microcontroller – central processor
- 16×2 LCD Module – to display gas status
- LPG Gas Sensor – detects gas leakage
- SIM800L GSM Module – sends SMS alerts
- Servo Motor – to simulate valve shut-off
- 2-Pin Push Button – for reset or manual override
- Buzzer – audio alert on detection
- LEDs (optional) – for visual alerts
- Gas Regulator – gas source simulation
- Exhaust Fan – to expel leaked gas
- Jumper Wires – internal connections
- Power Distribution Board – regulated power supply to components
⚙️ How It Works (Working Principle):
- LPG sensor continuously checks gas concentration in the air.
- Upon detection of a gas leak:
- Buzzer sounds to alert occupants
- LCD displays “Gas Leakage Detected!”
- Servo motor simulates automatic valve closure
- Exhaust fan turns on to disperse the gas
- GSM module sends an SMS alert with a warning message
✅ Features:
- Real-time gas leak detection and response
- Instant SMS alert using SIM800L GSM module
- LCD-based display for monitoring
- Optional valve shut-off via servo
- Safety model ideal for homes, kitchens, and labs
🎯 Educational Value:
This model teaches students:
- Real-world use of sensors and GSM communication
- Basics of Arduino programming and automation
- How alert systems prevent industrial or domestic accidents
- Working of servo, LCD, and sensor integration
| Weight | 1.5 kg |
|---|---|
| Dimensions | 49 × 39 × 14 cm |
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