The Grove - CAN BUS Module based on GD32E103 is a compact serial-to-CAN FD interface for Grove projects. It uses a GD32E103 microcontroller with module firmware to bridge UART commands to CAN FD communication, giving makers and embedded developers a simple way to add high-speed CAN networking without building a full CAN interface from scratch. Note Free Shipping Note: Free shipping via 4PX may be available for orders under $40 in supported countries and regions. Features CAN FD communication: supports CAN FD data rates up to 5Mb/s. Serial control: AT command support makes it straightforward to control the module through a UART interface. Grove ecosystem: 20mm x 40mm x 10mm board size with a 4-pin Grove connector for plug-and-play wiring. Embedded controller: GD32E103 runs at up to 120MHz, with 64KB to 128KB flash and 20KB to 32KB SRAM listed in the product information. Product Images CAN FD and Serial Control CAN FD extends classic CAN by increasing the payload data phase, while maintaining classic CAN-style arbitration for compatibility. This module is designed to make that bus available through a serial interface, so a host board can send commands over UART and communicate with CAN FD nodes. The GD32E103 is used as the module controller for the serial-to-CAN FD firmware. The product information does not present it as a standalone user-programmable MCU. Applications Vehicle data experiments and diagnostic projects 3D printer control networks Building automation and lighting control systems Medical instruments and equipment communication Grove sensor projects that need CAN FD connectivity Specifications MCU GD32E103 UART baud rate Up to 115200, default 9600 CAN FD baud rate Up to 5Mb/s Indicator TX and RX LEDs Working voltage 3.3V Connector 4-pin Grove connector Size 20mm x 40mm x 10mm Part List Grove - CAN BUS Module based on GD32E103 1 Grove cable 1 Resources Grove CAN BUS Module based on GD32E103 datasheet and AT command guide Serial CAN FD Module Arduino library Serial CAN FD Module firmware repository Serial CAN FD Module schematic files for Eagle FAQ What does this module do? It bridges a UART serial interface to CAN FD communication, allowing a host board to send AT commands and communicate with CAN FD networks. What CAN FD speed does it support? The product specifications list CAN FD data rates up to 5Mb/s. How is the module programmed or controlled? It is controlled through AT commands over the serial interface. The linked documentation and library provide command and Arduino usage references. What is included in the package? The package includes one Grove - CAN BUS Module based on GD32E103 and one Grove cable.
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