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  • January-18 2020 05:32:07

    Fast deliver, item arrived in 7 calendar days from date of order. No import taxes paid. Item appears exactly as described in the description. Item came well packaged - unopened, sealed in anti-static bag and in a Jiffy bag. Connection pins supplied which were easily soldered. I have checked the output from the unit using a solder less breadboard and Arduino Mega/Raspberry Pi 3B+ combined setup and all works well. You will need to download the PDF files for this product. There are also code samples

  • February-09 2020 06:11:56

    Small device, easy to operate it with an Arduino. Jumper pins are provided.

  • April-17 2020 16:57:20

    Nice sensor. Not the most accurate, but ok for hobby.

  • January-13 2021 05:40:28

    Very nice product. Exactly as advertised.

  • November-10 2020 12:20:42

    great staff

  • August-17 2020 04:13:06


  • August-07 2020 05:22:22

    good quality

  • June-24 2020 14:49:40

    non molto preciso ma comunque sufficiente

  • October-15 2019 03:39:15

    This unit ONLY measures Carbon Dioxide CO2 and VOCs Air quality. It is not measuring Temperature And Humidity.. Applying Temperature And Humidity. data to this unit give s a more accurate reading about Carbon Dioxide CO2 and VOCs Air quality. Unit works fine. Fast delivery.

  • August-24 2019 03:59:26

    Great sensor. takes some time adjust and give proper readings. use correct library for best results.


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