MQ-3 Alcohol Gas Sensor Module – Ethanol, Benzene & Smoke Detection by Ekastore

🍷 MQ-3 Alcohol Gas Sensor Module – Ethanol, Benzene & Smoke Detection by Ekastore

The MQ-3 Alcohol Gas Sensor Module is specially designed for detecting alcohol vapors (ethanol), benzene, smoke, and similar gases in the air. Its high sensitivity and quick response make it perfect for breathalyzer projects, smart security systems, and alcohol detection setups. The module provides both analog and digital outputs, making it highly versatile and easy to integrate with microcontrollers.

✅ Key Features:

• High Sensitivity to Alcohol Vapors – Detects ethanol, smoke, benzene, and other gases

• Dual Output – Analog for concentration readings, Digital with adjustable threshold

• Onboard Potentiometer – Easily set detection sensitivity

• Indicator LEDs – For power and digital signal output

• Arduino & ESP Compatible – Simple to interface with most development boards

• Quick Warm-Up Time – Stable readings within seconds

⚙️ Specifications:

🛠️ Applications:

• Alcohol breath detectors

• Smart security and access control systems

• Gas-leak detection alarms

• Alcohol level monitoring in environments

• DIY and academic projects

📦 Package Includes:

• 1× MQ-3 Alcohol Gas Sensor Module – by Ekastore

🍺 Reliable detection of alcohol vapors — perfect for breathalyzer and safety solutions.