See the minimum needed for a USB device to list in Device Manager

See a demonstration of how little has to go right for a USB device to show up in Windows Device Manager or Linux dmesg and understand what that means for troubleshooting USB microcontroller/Arduino projects. The video I'd mentioned about beginning regarding wasting time looking for drivers:    • Arduino not showing Device Manager? It's N...   00:00 Intro 00:15 Description 00:42 Demoboard overview 01:29 Demoboard circuit details 02:20 USB device enumeration 04:03 Speeds 05:17 Testing In Windows 07:03 Testing In Linux 08:39 Troubleshooting 08:57 Physical connections 09:35 Enable/RESET signals 10:27 A microcontroller seems to be trying to connect 11:19 Designs that try to connect by default