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Notes from the bench.

SoC board design, DDR and high-speed layout, Linux bring-up and BSPs, and the tools we use to ship hardware. Written by the people doing the work.

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Groundplane title card for "SOM Carrier Board Design: How to Design One, Step by Step", with a square chip package with traces fanning out from its pins to vias.

Oct 16, 2026 / ExplainerLatest

SOM Carrier Board Design: How to Design One, Step by Step

Module choice, cooling, input power, protection, routing, device tree and bring-up, from the carriers we have built around the RK3588 and the Raspberry Pi CM4.