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  • 27/11/2020

    Good device, works as expected. Power hungry though, the fully charged 3000 mAh 18650 I was using to power one died after 24 hours. I recommend this device if you are able to power it with a mains connected supply. It works great with esphome and home assistant, very easy to configure. The only possible challenge is getting the firmware onto the esp-01 the first time, subsequent updates are OTA. A USB esp-01 programmer made this step simple also.

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  • 30/09/2020

    The dht11 sensor is off by several degrees C. And very much influenced by the heat of the esp. Measured humidity is also not accurate. As delivered, it is a fun base project. But completely unusable. I'm planning to replace the dht11 by a sonoff Si7021 sensor though, making the this little board the ideal base plate for my project.

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  • 14/01/2021

    With this product you can create your own temperature sensor network ! all you need is a basic knowledge on arduino :)

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  • 20/02/2021

    Arrived without damage, on time. I haven't built it yet.

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  • 18/02/2021

    Okay. Okay.

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  • 08/01/2021

    works fine. easy to install / program.

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  • 22/07/2020

    as expected

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  • 09/05/2020

    1 can be powered in 3.7v (4.2v)

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  • 05/05/2020


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  • 18/03/2020

    Everything as desired - will buy again.

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