MQ-4 Methane (CNG) Gas Sensor Module – Reliable Gas Leak Detection 🔥

The MQ-4 Methane Gas Sensor Module is a highly sensitive Metal Oxide Semiconductor (MOS) sensor designed for detecting Methane (Natural Gas/CNG) concentrations in homes, industries, and gas leak detection systems. It features fast response time, high stability, and adjustable sensitivity, making it a great choice for gas safety applications.

🚀 Detect hazardous methane leaks before they become dangerous!

🔧 Key Features:

✅ Specialized for Methane (CNG) Detection – Ideal for gas leak monitoring systems 🚨 ✅ Dual Output Mode – Analog (ppm levels) & Digital (threshold-based alarm) 🛠️ ✅ Adjustable Sensitivity – Fine-tune with an onboard potentiometer ⚙️ ✅ Preheat Time for Stability – Recommended warm-up before use ⏳ ✅ Long-Lasting Durability – Stainless-steel mesh protects the sensing element 🏗️ ✅ Compatible with Arduino, ESP8266, ESP32, Raspberry Pi, and other microcontrollers 🤖

📌 Specifications:

Operating Voltage: 5V DC
Power Consumption: <750mW
Gas Detection Range: 200 – 10,000 ppm (Methane/Natural Gas)
Analog Output Voltage: 0.1V – 4V (relative to pollution level)
Digital Output Voltage: 0V or 5V (TTL Logic)
Preheat Time: ≥ 24 hours for full accuracy
Operating Temperature: -10°C to 50°C
Interface: 1 TTL compatible input (HSW), 1 TTL compatible output (ALR)

📡 Applications:

✔️ Natural Gas (CNG) Leak Detection 🏠🔥 ✔️ Industrial Safety & Gas Monitoring 🏭⚠️ ✔️ Gas Sensor Networks for Smart Cities 🌍 ✔️ Home & Kitchen Safety Systems 🚨 ✔️ IoT & Automation Projects 📡