Waveshare MQ-3 Gas Sensor
Waveshare MQ-3 Gas Sensor
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R 279.00
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R 279.00
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Product details
Brand:Waveshare
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
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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