Did you ever struggle with an ESP32 board of yours, wishing you had exposed that UART, or seriously lacking the JTAG port access? If so, you should seriously check out [0xjmux]’s ESP-PROG-Adapter ...
I programmed a $7 ESP32-S3 board to block all computer's web ads - and it took just minutes ...
It's amazing what you can do with an ESP32 (or two).