CM4-based Onboard Computer

Revision History

Revision

Date (DD/MM/YYYY)

Author

Changes

1

07/05/2024

Ruixiang Du

Initial release

This onboard computer is based on Raspberry Pi Computer Module 4 (CM4). We extended the board with CAN and RS485 ports for interfacing with the robot bases and sensors.

../../../_images/cm4_sbc.jpg

Key Specifications

  • SoC: Broadcom BCM2711, quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz

  • RAM: 4GB/8GB

  • Storage: 32GB eMMC

  • USB3.2 Gen1 * 2

  • Gigabit Ethernet * 2

  • HDMI 2.0 * 2

  • Industrial ports

    • 2x isolated CAN interfaces (with transceivers)

    • 1x isolated RS485 interfaces

  • Power supply: 5.5*2.1mm DC Jack, 12V~29V, 12V is recommended.