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Waveshare MQ-3 Gas Sensor
Item ZY15927471
Warehouse: CN
Lead time: Item will be ready for ship between 25 May and 27 May 2024
Description
Overview
1. Sensitive for alcohol, ethanol
2. Output voltage boosts along with the concentration of the measured gases increases
3. Fast response and recovery
4. Adjustable sensitivity
5. Signal output indicator
Specifications
1. Power: 2.5V ~ 5.0V
2. Dimension: 40.0mm * 21.0mm
3. Mounting holes size: 2.0mm
Applications
1. Car alcohol alarm
2. Breathalyser
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-3 Gas Sensor x1
2. 4-pin custom connector jumper wire x1
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