Waveshare MQ-3 Gas Sensor

KSh 1,923

KSh 2,74730%

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+ shipping from KSh 205 to CBD - UON/Globe/Koja/River Road

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Delivery Fees KSh 205

Ready for pickup between 12 May and 14 May if you place your order within the next 9hrs 45mins

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Delivery Fees KSh 295

Ready for delivery between 12 May and 14 May if you place your order within the next 9hrs 45mins

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Product details

Waveshare MQ-3 Gas Sensor
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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