Yes, as stated in the first post, I have used that exact port for an ESPCAM quite a lot last fall. And during the last 3-ish years, I've used quite a few microcontrollers (rPi, Pi PICO W, Arduino R3, Cmod A7-35T FPGA, ESPCAM, various ESP32 versions, Arduino Mega, etc) through that port, as it's...