Let's Build an SN76489 USB MIDI Synth With Arduino Nano - Hackster.io
Simple USB Power Tester based on ATtiny45/85 and INA 219. You can switch between different screens by pressing the SET button. | Usb, Arduino projects, Power
Arduino V-USB / HID 14 channel data logger - Use Arduino for Projects
A simple USB cable tester (USB cable delivers power and data or just power?). Avoid the agony of trying to upload to your Arduino board with a USB power-only cable! – Arduino
USB Tester | Hackaday
Arduino Current Meter, Voltage Meter Circuit. DIY Multimeter - YouTube
C-Duino: A DIY USB C Pro Micro Arduino - Electronics-Lab.com
Simple USB Power Meter | Hackaday
FriedCircuits USB Tester v2.0 : ID 1456 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits