Web enabled (ESP32 ? PoE Shield ?)

USB Tester OLED

https://www.tindie.com/products/FriedCircuits/usb-tester-20-bundle/

https://github.com/FriedCircuits/FC-USB-Tester-OLED-Backpack/blob/master/USB_Tester_v1/Pre_JSON/USB_Tester_OLED/USB_Tester_OLED.ino

Monitors Voltage and Current for installations (Keyboards, Mice, Game Controllers). Able to report via web interface / SNMP under voltage / disconnects