question about port Naming

hello

i have a raspberry 4b with arduino IDE installed.
on my RasperryPi is also use Raspberry Pi Keyboard and on the keyboard a Pi Mouse.

if i connect 3 ESP32 device on my raspberry Pi
in the IDE GUI they are called like

/dev/ttyAMA0 or O
/dev/ttySO
/dev/ttyUSB0
/dev/ttyUSB1

if i do remove all 3 device i only have (also if i remove the Mouse too)

/dev/ttyAMA0 or O
/dev/ttySO

so this i confusing me!

have a nice day
vinc

any idea?

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