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.
Search found 2 matches
- Mon Jun 22, 2020 1:46 pm
- Forum: Hardware
- Topic: Purpose of R3 in WROVER-B
- Replies: 2
- Views: 3637
- Mon Jun 22, 2020 4:00 am
- Forum: Hardware
- Topic: Purpose of R3 in WROVER-B
- Replies: 2
- Views: 3637
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 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 ...