Granit

Christof Laenzlinger

OSHWA UID

Certification Date

April 23, 2026

Country

Switzerland

Custom carrier board for the Raspberry Pi CM4 Compute Module, designed as a minimal offsite backup appliance. Features PCIe-to-SATA bridge (ASM1061), Gigabit Ethernet, RTC with alarm wake, software-controlled HDD power, and USB-C OTG. Fits in a Hammond 1455 aluminium enclosure with 2.5" or 3.5" HDD.

Version

0.3.0

Licenses

Hardware

CERN-OHL-P-2.0

Software

GPL-3.0-or-later

Documentation

CERN-OHL-P-2.0

View Documentation

Certification mark

SVG PNG

The OSHW Certification Mark shows the project's unique certification ID and makes it easy for users to quickly find this page along with the project's details. This mark can be used throughout the project's design, documentation, and promotional material.

For more details, take a look at the Certification Mark Usage Guide.

Project Type

Electronics

Home Connection

Tool

Keywords

backup, NAS, Raspberry Pi, CM4, SATA, PCIe, carrier board, offsite backup, open hardware