Gasni senzor, MQ-3

SKU:  9530
Part Number:  MQ-3 Gas Sensor

MQ-3 Gas Sensor 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)

Development resources:  demo codes, schematic, datasheets, etc.

PACKAGE CONTENT

Weight:  0.009 kg

1. MQ-3 Gas Sensor x1
2. 4-pin custom connector jumper wire x1

Wiki:  www. waveshare. com/wiki/MQ-3_Gas_Sensor

w9530

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