I have built an entire new circuit board, soldering only the minimal necessary components to test the upload system. Also, I used two more new Esp32. The problem persists. The PCI board was previous used with success. Two of them are still working... I've tried to use an external pull-up resistor to...

Hello everybody, Hope someone's help. I developed a general purpose board for ESP32. I mounted a few of them without troubles, but I recently got some new esp32-WROON- 32E, and they are not working any more. Every time we boot the board, it goes into download mode. Io0 pin is hardware externally pul...