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Adafruit SGP40 Air Quality Sensor Breakout - VOC Index - STEMMA QT / Qwiic
Adafruit SGP40 Air Quality Sensor Breakout - VOC Index - STEMMA QT / Qwiic
Adafruit SGP40 Air Quality Sensor Breakout - VOC Index - STEMMA QT / Qwiic
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Adafruit SGP40 Air Quality Sensor Breakout - VOC Index - STEMMA QT / Qwiic

Marsoni M251S
Sale price$17.94
Pay 4 payments of $4.49 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Adafruit SGP40 Air Quality Sensor Breakout - VOC Index - STEMMA QT / QwiicThe Adafruit SGP40 Air Quality Sensor is a fully integrated MOX gas sensor designed for indoor air quality monitoring. It detects a wide range of Volatile Organic Compounds (VOCs) and hydrogen using a multi pixel gas sensor from Sensirion. This sensor features I2C interfacing, eliminating the need to manage the heater and analog reading manually. The SGP40 sensor combines multiple metal oxide sensing and heating elements on a single chip along with a
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.0 ★★★★★
Based on 475 reviews
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Product Reviews
J
Verified Purchase
Julie Fleming
Boise, US
★★★★★ 1
Magnet strength is weak AF
Item Package Quantity: 30, Color: Black
Magnet strength is absolutely terrible! I was hoping that they would be strong against my shipping container as the product suggests, but I put a item on it that barely weighs 10 lb and it started sliding down the wall. The magnets are not strong at all!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
B
Verified Purchase
BGT 20000
Dallas, US
★★★★★ 5
Great Hooks!
Item Package Quantity: 10, Color: Red
Strong Magnets! Work Great! Well Built!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 7, 2025
T
Verified Purchase
Tony T
Chelsea, US
★★★★★ 3
Decent, but....
Item Package Quantity: 6, Color: Green
These magnets were decent, but not as strong as I hoped. They are good enough to hold a shovel or helmet, but anything over 10+ pounds did not work.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 16, 2025
D
Verified Purchase
Don Elkins
Grantham, US
★★★★★ 4
Good to average purchase but they work.
Item Package Quantity: 10, Color: Green
Magnetic hooks are well made, the hooks have plenty of strength. The magnets on the hooks aren’t quite as stout as they should be, but all in all they were a good buy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 26, 2025
T
Verified Purchase
Tri 12
Waukegan, US
★★★★★ 5
Great holding capacity for hand tools
Item Package Quantity: 6, Color: Orange
I needed to add space to my workshops metal shelves and these are perfect for hanging hand tools around the metal bracing. They have enough holding capacity to hang a small sledgehammer. Now I can readily locate tools and allow for more space on the shelves.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026

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