Browse 865 open source reference designs tagged "usb c", including schematics, PCB layouts, and bills of materials sourced from public GitHub repositories.
Raspberry Pi Hat that adds RS485 communication to Raspberry Pi 5 for interfacting with USB and Bluetooth HID Devices
A modification for Korg's Monotron Delay, which makes it accept standard Eurorack CV voltages (Pitch, Gate and Cutoff CV). The mod also provides an option to power the monotron via micro-USB.
WASD-style joystick for vintage computers. With an added Arduino Pro Micro you can use it as a USB-keyboard, so if you wanted a DIY streamdeck or Macro-keyboard - then the C64 JoyKEY can do that as well.
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