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by raspy00135
Mon Jun 22, 2020 1:46 pm
Forum: Hardware
Topic: Purpose of R3 in WROVER-B
Replies: 2
Views: 479

Re: Purpose of R3 in WROVER-B

Thanks for the reply, unfortunately both suggestion won't work for my case, the change was killer.
I need to change my daughter board circuit design.
by raspy00135
Mon Jun 22, 2020 4:00 am
Forum: Hardware
Topic: Purpose of R3 in WROVER-B
Replies: 2
Views: 479

Purpose of R3 in WROVER-B

I use ESP32 LyraT. I have two version of boards, one is WROVER, another one is WROVER-B. Both are v4.3 boards. Then I noticed I cannot connect UART0 between devices, TX to RX, because of R3(499R) connected to TXD0. It makes a huge problem to me. TXD0 has very weak drive capability because of this. I...

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