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  • 24/01/2020

    Arrived safe and sound. It comes preloaded with NodeMCU firmware, which allows you to directly connect to it via serial comms, but you will need a serial-FTDI adaptor or a dedicated ESP01 adaptor stick. With its original stock firmware you can effectivly use it as a wi-fi/serial port for MCU without wi-fi capacity. But it is still a ESP2866, at heart, all be it with limited pin options... and can be programmed using the arduino IDE. You will need a USB Adaptor/Link to program and interact with these easily, and even then it will need some modification of pulling IO0 to ground in order to upload you sketch. I made a simple modification to the ESP-01s Link V2.0 which I got from Banggood. By adding a simple switch to the GND and IO0 pin I can easily select programing mode or interact mode. So for simple, ESP2866 applications thse look really handy. If you new to ESP2866 go for somethng like a Mini D1, but for the more experiance user the is cheep fun to be had

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  • 30/03/2021

    Great product very well packaged

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  • 05/07/2019

    ótimo produto, chegou conforme prometido, só ainda nao os testei...mas acredito que esteja tudo certo.

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  • 30/12/2020

    Very innovative packaging. Received in 11 days from order. Very pleased. Will buy from this vendor again.

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  • 07/11/2021

    Seems good

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  • 17/03/2021

    very fast delivery, good quality, no test yet

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  • 18/11/2020

    Fast delivery, dirt cheap, me happy...

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  • 13/10/2020

    fast delivery, good product

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  • 25/06/2020

    seems good device didn't check them still

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  • 09/03/2020

    Good product

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