MQ-7 Gas Sensor (Carbon Monoxide)
MQ-7 Gas Sensor (Carbon Monoxide)
Excellent 4.9
19,544 Reviews
Trustpilot
400+ orders
in the last 24h
465 sold in the past 24 hours
401 people are viewing this item
Only 1% left in stock
Regular price
$3.22
Regular price
$3.22
Sale price
$4.60
Unit price
per
Couldn't load pickup availability
-
Ordered
- - -
Order Ready
- - -
Delivered
MQ-7 Gas Sensor (Carbon Monoxide)
Regular price
$3.22
Regular price
$3.22
Sale price
$4.60
Unit price
per
Monitor carbon monoxide with this MQ-7 gas sensor from Waveshare!
Note: Please do not use this sensor for critical home/industrial/commercial carbon monoxide sensing applications. Intended for development and learning/hobby purposes only.
Features
- 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
- Sensor only - no cable
Specifications
- Power: 2.5V ~ 5.0V
- Dimension: 40.0mm * 21.0mm
- Mounting holes size: 2.0mm
Resources
- Product Wiki
Working with an MCU:
- VCC ↔ 2.5V ~ 5.0V
- GND ↔ power supply ground
- AOUT ↔ MCU.IO (analog output)
- DOUT ↔ MCU.IO (digital output)
Package Contents
- 1x MQ-7 Gas Sensor
- 1x 4-pin custom connector jumper wire
🔒 Order with Confidence
🔒 Order with Confidence
✅30-Day Money Back Guarantee — no risk trying it.
🚚Free shipping available. Orders processed within 24–48 hours.
🔐Secure & encrypted checkout with trusted payment providers.
