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4.96 out of 5
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  • 20/11/2019

    Just arrived. I'm testing it.

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  • 11/03/2019

    Сенсор рабочий, все в порядке!

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  • 14/03/2018

    Good product, well done, very useful sensor

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  • 18/12/2020

    100% OK A A A A A

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  • 31/05/2020

    A little expensive for what it is. In general, I am satisfied with the purchase. Keep in mind that the CO2 measurement is indirect (it really is eCO2).

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  • 18/02/2019

    The sensor is pretty nice, after 48 hours of usage it gets a bit more stable, but the reading still drifts all over the place and is at best an estimate not an actual concentration value.

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  • 06/08/2018

    Nice little package, but what is the IIC address? An hook-up guide is really nice! I don't have a clue about the way this sensor needs to be connected, since the Adafruit variant is very different. Check out my mailbag video about this sensor here:

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  • 05/10/2019

    Lieferung innerhalb 20 Tage. Gut gepackt. Funktioniert wie geschrieben. Allerdings muss man selbst löten.

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  • 01/05/2019

    No hardware information, burn time excesive, measure should be calibrates with a refererence method. Be carefull for security apps

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  • 01/05/2018

    soldering is not easy

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