Wavesahre MQ 7 Semiconductor Sensor CO Gas Sensor Module Detector Gas Detection Module for STM32 font
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Wavesahre MQ 7 Semiconductor Sensor CO Gas Sensor Module Detector Gas Detection Module for STM32 font
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Wavesahre MQ-7 Semiconductor Sensor CO Gas Sensor Module Detector Gas Detection Module for STM32 Raspberry pi

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Price:  US $8.99 / piece
Sale Price:  US $8.09 / piece
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MQ-7 Gas Sensor

Overview

  • Sensitive for carbon monoxide
  • 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

  • Carbon monoxide monitor

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)

Photos

Package Contains

  • MQ-7 Gas Sensor × 1
  • 4-pin custom connector jumper wire × 1

Downloads

Development resources: demo codes, schematic, datasheets, etc.
wvshare.com/downloads/accBoard/Sensor-Kits.7z


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Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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