PiCAN is a STM32F072 based USB to CAN bus adapter, shaped like a USB drive. This form factor saves space and simplifies wiring inside your 3D printer. Comes with firmware pre-flashed so you can start using it quickly.
GitHub repository of the project: https://github.com/xbst/PiCAN
Please make sure that your Raspberry Pi's GND is connected to your CAN bus device's GND.
The male JST-XH connector and pins for the CAN bus connector are included.