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Green rectangular circuit board with two DB9 connectors and 40-pin header

Seeed Studio

Seeed Studio 2-Channel CAN-BUS FD Shield for Raspberry Pi MCP2518FD

SKU CH-AXXA-XR03D

Two-channel CAN FD shield for Raspberry Pi and Jetson Nano with selectable termination and power options

  • TypeSensors
  • Supports CAN FD protocol for flexible data rates
  • Dual-channel operation on Raspberry Pi and Jetson Nano
  • High-speed transfer up to 8 Mbps over 10 m shielded cable
  • Selectable power from Raspberry Pi or external DC source
  • One-button 120 Ω terminating resistor for quick bus setup

Two-channel CAN FD shield for Raspberry Pi

This shield adds dual CAN-FD interfaces to Raspberry Pi 2, 3, Zero and 4 boards using the MCP2518FD controller. It targets developers building automotive, industrial or robotics networks that need two independent buses. The board also works with NVIDIA Jetson Nano, providing two active channels on that platform.

120 Ω terminator and selectable power

A single button enables or disables the 120 Ω terminating resistor on each channel, simplifying bus-end setup without jumpers. Power can be drawn from the Raspberry Pi header or supplied through an external DC jack, letting the shield stay active when the Pi is off or when bus loads demand more current than the header allows.

8 Mbps at 10 m over shielded cable

The MCP2518FD delivers up to 8 Mbps at 10 m using 20 AWG shielded cable, falling back to 1 Mbps at 40 m for longer runs. No extra software licences or configuration tools are bundled; the shield relies on standard Linux CAN utilities and device-tree overlays already present in current Raspberry Pi OS images.

Highlights

  • Supports CAN FD protocol for flexible data rates
  • Dual-channel operation on Raspberry Pi and Jetson Nano
  • High-speed transfer up to 8 Mbps over 10 m shielded cable
  • Selectable power from Raspberry Pi or external DC source
  • One-button 120 Ω terminating resistor for quick bus setup

Specifications

TypeSensors

Questions about this item

What CAN standard does the MCP2518FD shield support and what is the maximum practical data rate?

The shield supports CAN FD with a maximum transfer rate of 8 Mbps over a 10 metre 20 AWG shielded cable.

Which Raspberry Pi models and additional boards does this shield physically fit?

It fits Raspberry Pi 2, 3, Zero and 4, and also supports the NVIDIA Jetson Nano platform.

How is the 120 ohm terminating resistor enabled during installation?

A one-button configuration on the board activates the terminating resistor without soldering or jumpers.

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