Thank you very much for your answers.
The ChatGPT answer certainly looks good for me, but if someone has source links, I would like to know them. Thanks alot!

Hi there, I couldn't find the meaning of the English words 'WROOM' and 'WROVER' (and following: 'MINI', 'SOLO', 'PICO', 'DU') in ESP32 module names. I tried searching through various resources but couldn't find any relevant documents. :roll: Could someone please help me understand their meanings? Is...