Waveshare MQ-2 Gas Sensor

• Product type: Modules Expansions Accessories
• Brand: Waveshare
• Compatibility: MQ-2 Gas Sensor
• Material: Not specified
• Key feature: Sensitive for LPG and propane
• Color/Variant: Not specified
• Intended use: Gas leakage detection
• Category: Consumer Electronics

Overview
1. Sensitive for LPG, propane, hydrogen
2. Output voltage boosts along with the concentration of the measured gases increases
3. Fast response and recovery
4. Features boost circuit
5. Adjustable sensitivity
6. Signal output indicator
Specifications
1. Power: 2.5V ~ 5.0V
2. Dimension: 40.0mm * 21.0mm
3. Mounting holes size: 2.0mm
Applications
Gas leakage detector
How to Use
In the case of working with a MCU:
1. VCC: 2.5V ~ 5.0V
2. GND: Power supply ground
3. AOUT: MCU.IO (analog output)
4. DOUT: MCU.IO (digital output)
Package Contents
1. MQ-2 Gas Sensor x1
2. 4-pin custom connector jumper wire x1