MQ-3 Gas Sensor

MQ-3 Gas Sensor
₹ 509.00 *

Prices incl. GST

Ready to ship today,
Delivery time appr. 1-3 workdays.
2 in stock

  • Waveshare-9530
  • 9530
Sensitive for alcohol, ethanol Output voltage boosts along with the concentration of the...more
Product information "MQ-3 Gas Sensor"
  • 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

Application

  • 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 Content

  • MQ-3 Gas Sensor × 1

  • 4-pin custom connector jumper wire × 1

Downloads

Development resources: demo codes, schematic, datasheets, etc.
Wiki: www.waveshare.com/wiki/MQ-3_Gas_Sensor

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