SCD41 CO2 Sensor Breakout (Carbon Dioxide / Temperature / Humidity)

SCD41 CO2 Sensor Breakout (Carbon Dioxide / Temperature / Humidity)

Marsoni

M251S

$61.95

Get it in 3 business days with 1 day shipping. Friday, May 29

SCD41 CO2 Sensor Breakout (Carbon Dioxide / Temperature / Humidity)The SCD41 CO2 Sensor Breakout is a true carbon dioxide sensor that detects CO2 levels between 400 and 5,000 ppm. It is mounted on a Breakout Garden and is Qwiic STEMMA QT compatible, making it easy to integrate into various microcontroller projects. This sensor uses advanced photoacoustic technology (PASens) for high accuracy measurements of carbon dioxide, temperature, and relative humidity. It is suitable for monitoring air quality, ventilation

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We offer a 30-day return/exchange service after receiving.
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I usually would buy XL size but in this case I bought XXL thinking since it's cotton it might shrink. But when I tried the T-shirt it was too small. My older XL sized T-shirt has 2 1/2" larger total shoulder width and 3" wider body width. See attached pictures. Length was also a bit shorter by about 1/2". I will to return it.

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Reviewed in the United States on April 15, 2026

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Pattie B

Waukegan, US

★★★★★ 2

Does not match the size

Size: 3X-Large, Color: Blue

Way smaller than the size indicated. Very thin material, almost see- thru.

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Reviewed in the United States on December 5, 2025

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Robert

Massapequa, US

★★★★★ 5

Will buy again

Size: XX-Large, Color: White

Very comfortable. Fits as expected,

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Reviewed in the United States on September 15, 2025

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Michelle Kindel

Lexington, US

★★★★★ 5

Nice sweatshirt

Color: White, Size: Small

Really happy with this sweatshirt. The material is soft, warm, and has a nice thickness without feeling bulky—perfect for crisp fall days and layering in winter. The quilted texture and mock neck give it a more polished, upscale look than a regular sweatshirt. Fits true to size, and the color is vibrant and unique. I like the quarter-snap buttons and chest pocket for a little extra style and function. Easy to dress up or down with jeans or boots, and works great for everyday wear or going out. Definitely a solid addition to a fall/winter wardrobe.

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Reviewed in the United States on January 4, 2026

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amber smith

Birmingham, US

★★★★★ 5

Get one!

Color: Army Green, Size: X-Large

Really nice! My husband is tall and this is actually long enough for him! He really likes it!

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Reviewed in the United States on April 14, 2026