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    2019-08-11 01:06:31

    la mesure de gaz est efficace

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    2019-03-15 02:18:13

    + CO2e+pressure+temperature+humidity in one device - really used HDC1080 for t/h, not SI7021 - not so easy to use (need find libs, rewrite code for CCS811 etc) - sometimes shows strange results for all parameters, probably need some calibration

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    2019-03-01 02:53:34

    Great

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    CMJCU 8128 sensor

    2018-10-06 11:13:32

    A very powerful product, however a bit difficult to burn-in and program in connection with an Arduino nano

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    Didnt work

    2018-04-23 06:26:40

    Until now i have tried many times to get this sensor working, but nothing happens! Please send me a now one, which works! Thanks!!

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    CJMCU-8128-CCS811-SI7021-BMP280-Carbon-Dioxide-CO2-VOCs-Temperature-Humidity-Gas-Pressure-Sensor

    2018-03-22 17:55:18

    Hi all excluded the slowness," for the Sicily " the package was a plastic bag without any protection...( being a sensor more expensive than sensors that I usually buy.) .. completely anonymous, no documentation or info,.. at the moment I can only say still the pressure sensor is not known if work. anyway I think that need there will be a minimum documentation to test the product that is sold. ciao

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    Good product at reasonable price

    2018-03-09 15:44:35

    Good for experiment and of course to measure. Will use it in indoor air quality testing.

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    Works great

    2017-12-23 16:53:46

    Everything ok. Default I2C address for BMP280 is 0x77. This version is running on 0x76 address according to I2C scanner, so you must change the library in order to work.Temp./Humidity sensor on board is HDC1080, not SI7021.

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