Okay, I found a solution.
I think the USB-UART controller is setting Rx to high. So just remove the resistors from Rx between the Wroom module and the USB-UART controller.
Search found 2 matches
- Tue Apr 18, 2023 12:11 pm
- Forum: Hardware
- Topic: Uploading Code By Using USB-to-UART to ESP Dev Kit
- Replies: 5
- Views: 5721
- Fri Apr 14, 2023 1:41 pm
- Forum: Hardware
- Topic: Uploading Code By Using USB-to-UART to ESP Dev Kit
- Replies: 5
- Views: 5721
Re: Uploading Code By Using USB-to-UART to ESP Dev Kit
Same problem here