Yes I'm using jtag to program the ESP32. I wrote a simple program for blinking a LED and on the ESP32 devkit v1 it is working and on the own designed PCB not What do you mean with this? Can you inspect the output of txd0 to see the firmare boot messages? (the RX & TX are connected to the other micro...

For programming I used the following steps (https://docs.espressif.com/projects/esp ... t-up-tools). I'm using for uploading J-Link in the command line and I receive in the command line programming and verify went OK (see added picture "command-line"). But the code isn't running on the ESP32, what d...