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by alekskuzmanovic
Thu Jan 09, 2020 7:48 pm
Forum: Chit Chat
Topic: the difference between ESP-WROOM-02 and ESP-WROOM-02D
Replies: 2
Views: 6242

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

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.

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