the difference between ESP-WROOM-02 and ESP-WROOM-02D

YFujisawa
Posts: 1
Joined: Mon Sep 03, 2018 9:02 am

the difference between ESP-WROOM-02 and ESP-WROOM-02D

Postby YFujisawa » Mon Sep 03, 2018 9:22 am

Hello everyone.
Please tell me the difference between ESP-WROOM-02 and ESP-WROOM-02D.
It is said that ESP-WROOM-02D improved the performance of wireless, but how did it improve specifically?

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neilwalker
Posts: 10
Joined: Wed Dec 20, 2017 7:17 pm

Re: the difference between ESP-WROOM-02 and ESP-WROOM-02D

Postby neilwalker » Tue Jan 29, 2019 5:00 pm

I see that there's a price difference too: 02D has a higher price everywhere on the market. On the U and D modules, there is also an additional resistor. There's also an archived sample with the ESP-WROOM-02D and ESP-WROOM-02U writemyessay review if you are interested.

alekskuzmanovic

Re: the difference between ESP-WROOM-02 and ESP-WROOM-02D

Postby alekskuzmanovic » Thu Jan 09, 2020 7:48 pm

In the schematics of ESP-WROOM-02D the antenna filter is designed differently (with a higher incudance) than the one on the ESP-WROOM-02 board. Also the VDD33 rail uses a different type of filter (with an inductor and a capacitor instead of pure capacitive smoothing) on the ESP-WROOM-02D.

HarberCandelario
Posts: 1
Joined: Thu Dec 24, 2020 3:50 pm

Re: the difference between ESP-WROOM-02 and ESP-WROOM-02D

Postby HarberCandelario » Thu Dec 24, 2020 3:53 pm

The U has an antenna connector, the D has a PCB antenna. The antenna network on the 2 is different than the D/U. Also there is an added resistor in series with the TX line on the D/U module. such as gb whatsapp

lindaperryly
Posts: 1
Joined: Tue Feb 02, 2021 6:57 pm

Re: the difference between ESP-WROOM-02 and ESP-WROOM-02D

Postby lindaperryly » Tue Feb 02, 2021 6:58 pm


MarlinNolan
Posts: 1
Joined: Fri Mar 26, 2021 12:29 am

Re: the difference between ESP-WROOM-02 and ESP-WROOM-02D

Postby MarlinNolan » Fri Mar 26, 2021 12:35 am

It is better to check the original website of this and see whether you can find what you are looking for. You can even raise question about this in assignment writing services blog where experts can help you in finding the software what you are looking for. I hope you will find the answer for your question.

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