Thank you bodhi, I checked the serial port pins. No odd colors, no sign of burning, no unstable pins. The only odd thing I saw were multiple "wet spots" (I don't know how are these called in English?!) on the back/downside of the whole board. It is like at some moment there were salty water drops that had dried out, but left like tiny white spots?! Now that I have observed thby metodi - uBoot
I'm still trying to get some meaningful data out of the box, using both converters, but still wigh no luck. I have a couple of questions: 1 - is it possible the communication settings to be different, like different baud rate, or data bits, or stop bits, etc.? I searched more information on the internet and I found a couple of articles, stating that those 00s I am getting are a sign forby metodi - uBoot
bodhi, The first row in my previous post is a copy/paste of the picocom log file. This morning I ran the command again, but this time I am attaching the file(s) itself. p.s. I am about to get an FT232RL converter and try if the issues came from the CP2102 converter itself. UPDATE: Today I get another TTL converter, RS323RL and run all the commands mention above with the same result. Iby metodi - uBoot