Description
The MQ-2 Gas & Smoke Sensor is widely used to detect LPG, methane, propane, hydrogen, alcohol, and smoke. It’s a key component in fire alarms, gas leak detection, and environmental monitoring systems.
It provides both analog and digital outputs, making it compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers.
🚨 Ideal for safety-critical IoT and smart home projects.
🔧 Features & Specifications:
| ⚙️ Feature | 🔍 Details |
|---|---|
| 🔎 Sensor Type | MQ-2 (Smoke & Flammable Gas Sensor) |
| 💨 Detectable Gases | LPG, methane, butane, propane, alcohol, smoke |
| 🔋 Operating Voltage | 5V DC |
| 📤 Output | Analog & Digital |
| 🔧 Adjustable Sensitivity | Yes (via onboard potentiometer) |
| 📐 Board Size | ~32mm × 22mm |
| 🔗 Compatible With | Arduino, ESP32, Raspberry Pi, STM32 |
📦 Package Includes:
1 × MQ-2 Smoke & Gas Sensor Module
🚚 Dream RC is giving you the best deal in Bangladesh – high quality at the lowest price!
💬 What is the MQ-2 Smoke Sensor price in BD (Bangladesh) & why buy from us?
The MQ-2 Smoke & Gas Sensor current price in Bangladesh is 129 BDT.
From us – Dream RC, you can get this essential safety module at the most affordable price with the lowest delivery charges & fast shipment all over Bangladesh.







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