SparkFun Carbon Monoxide Sensor - MQ-7 Biometrics
SKU: 53344990630

SparkFun Carbon Monoxide Sensor - MQ-7 Biometrics

Sale price$506.25 Regular price$562.50
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Description

SparkFun Carbon Monoxide Sensor - MQ-7 BiometricsThis is a simple to use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ 7 can detect CO gas concentrations anywhere from 20 to 2000ppm. This sensor has a high sensitivity and fast response time. The sensors output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC. This sensor comes in a package

This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm.

This sensor has a high sensitivity and fast response time. The sensor’s output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC.

This sensor comes in a package similar to our MQ-3 alcohol sensor, and can be used with the breakout board below.

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SKU: 53344990630

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lisa shelko
Grantham, US
★★★★★ 5
So comfy !
Size: 2 Little Kid, Color: Lavender
Shoes are so comfy and stable . I love em !
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Reviewed in the United States on May 20, 2026
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Dan Reynoso
Waukegan, US
★★★★★ 5
Very good blue jean jacket
Great jean quality. Fits true to size. Picture matches the jacket and color. Worth the value for sho!!
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Reviewed in the United States on May 14, 2026
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Mario Piña
Fort Morgan, US
★★★★★ 5
Impressed
I’ll be honest, I didn’t have the highest expectations for this jacket. However, I very pleasantly surprised by the fit and quality. The jacket fit very well and just as I expected. The quality was even more impressive with the weight and overall quality of the denim. For the the price, this jacket definitely hits all the marks. I was able to style it perfectly with a hoodie.
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Reviewed in the United States on April 16, 2026
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Andre Maxime Medigue
Waukegan, US
★★★★★ 5
A timeless classic at a great price
This is honestly a very well-made denim jacket, with all the classic features found on a Type III Trucker Jacket: 2 breast pockets, 2 side pockets, 2 inner pockets. The material feels very comfortable and thick and strong at the same time. A multi purpose jacket that will be your perfect companion for almost all seasons in almost all situations. I took an XL size because I wanted to wear a sweatshirt under it. I weigh 198 pounds and am 5.7 tall. I will probably buy another one in L size for a tighter fit.
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Reviewed in the United States on April 3, 2026
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JCM
Massapequa, US
★★★★★ 4
Quality shirt
Would of liked a slim fit. Needed taper in the waist neck and shoulders fit great
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Reviewed in the United States on May 7, 2026

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