UCAN is a compact, low-cost, open-source USB-to-CAN adapter compatible with CANable hardware. It enumerates as a virtual serial port on computers and functions as a serial interface for CAN bus communication. With the optional Candlelight firmware, UCAN operates as a native CAN interface on Linux systems. The adapter is compatible with ARM-based embedded platforms including Raspberry Pi, Raspberry Pi Zero, ODROID, and BeagleBone. It also supports USB-to-CAN functionality in Klipper firmware. Features: - Based on STM32F072 microcontroller - USB Type-C connector - Supports CAN 2.0A and 2.0B protocols, with baud rates up to 1 Mbps - Compatible with CANable hardware - Supports CANable, CandleLight, and Klipper firmware - 3-pin screw terminal (CANH, CANL, GND) - Bootloader jumper for firmware updates - Onboard 120Ω termination resistor (default enabled; jumper configurable to enable/disable) - Board type: UCAN - Color: Black and green - Materials: PCB, plastic, metal Package includes: - 1 × UCAN Board Note: Actual product color may vary slightly due to screen settings and lighting conditions. Dimensions are subject to a tolerance of ±1–3 cm.