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  • 19/02/2021

    Good ESP32. But he never made any friends with the wifi-iot. Something is wrong with Maxim's firmware with 32-spd, constant reboots. I hope it'll work out in time.

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  • 11/05/2020

    It is a very powerful development kit because it allows you to assemble your solution with all the elements already installed. The liion battery holder is a plus. The included sketch is in scan mode of nearby wifi networks. The revision of the board received is 3.0 and the circuit diagram can be downloaded from http://myosuploads3.banggood.com/products/20190830/20190830005003t18v3.pdf. The red LED indicates power to the board, the green network warns when the battery is charged. The battery charging current is 875mA. The TPA5400 DC/DC converter reaches a temperature of 49ºC when it is charging the liion battery, but it is within limits. The consumption of the circuit charging the battery (discharged) and the active wifi part is 1.2 Amp. Of all the modules that I have bought for development with ESP32 this seems to me the option with more advantage to have accessible JTAG as well. In short, a very good option for development with PlatformIO or ArduinoIDE.

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  • 03/04/2019

    Lieferung ist sehr schnell angekommen, sehr gute Qualität, funktioniert einwandfrei. Kan das Board nur weiterempfehlen

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  • 09/06/2021

    Works as advertised. Charges a 18650 cell no problem, and safely shuts the ESP32 down when the battery is empty. Makes for a neat little battery powered package. Runs for 20+ hours on a good 18650 with a CO2 sensor and BME280 attached, even without any ESP32 deep sleep magic (no wifi though). Will order more.

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  • 14/11/2020

    I love these boards. With 8MB of PSRAM they run quite large micro-python applications very easily. The 18650 battery holder on the back is great for low power data collection projects that I make. The on-board buttons for reset and boot are very convenient too. When they are on offer I always order a couple!

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  • 06/11/2020

    Fast delivery, good packaging, working fine, but be aware that the battery compartment will only fit only shorter 18650 batteries without protection

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  • 07/04/2021

    Good.

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  • 28/02/2021

    I like the battery holder and easy to use with vs platformio ide.

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  • 16/02/2021

    seems ok

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  • 02/12/2020

    good quality and works as expected

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