Waveshare MQ-3 Gas Sensor, MQ-3 – TPU
Waveshare MQ-3 Gas Sensor, MQ-3 – TPU.
Key Features:
- Overview
- Sensitive for alcohol, ethanol
- Output voltage boosts along with the concentration of the measured gases increases
- Fast response and recovery
- Adjustable sensitivity
- Signal output indicator
- Specifications
- Power: 2.5V ~ 5.0V
- Dimension: 40.0mm * 21.0mm
- Mounting holes size: 2.0mm
- Applications
- Car alcohol alarm
- Breathalyser
- How to Use
- In the case of working with a MCU:
- VCC: 2.5V ~ 5.0V
- GND: Power supply ground
- AOUT: MCU.IO (analog output)
- DOUT: MCU.IO (digital output)
- Package Contents
- MQ-3 Gas Sensor x1
- 4-pin custom connector jumper wire x1
Package Info: Weight: 0.06kgs / 0.13lb, Size: 5cm * 4cm * 1cm / 1.97inch * 1.57inch * 0.39inch
Shipping: Shipping charges and final delivery dates are shown at checkout.