BrowseBoardRepo

granit

Public

@laenzlinger

Download board files

Files for version 1. Pick what you came for.

KiCad projectAll 96 files, ready to open in KiCad5.2 MBSchematic PDFEvery sheet, to read or print435 KB3D modelThe board with its parts, for an enclosure (GLB)23 MB
Browse all files

Share granit

Check access before sharing the link.

Who can open this board

Anyone can open this board. No sign-in is required.

https://boardrepo.com/laenzlinger/granit

This link opens the latest version. Copying it does not grant additional access.

Loading 3D model… large boards can take a moment.

README

Granit — Offsite Backup Device

Custom carrier board for the Raspberry Pi CM4 Compute Module, designed as a minimal offsite backup appliance.

📖 Documentation

Latest Release OSHWA CH000031

Overview

A compact, headless device that connects to a remote network and receives encrypted backups onto an attached hard disk. Designed to be left at a trusted offsite location and managed remotely.

  • Raspberry Pi CM4 with PCIe SATA (ASM1061)
  • 2.5" or 3.5" HDD/SSD support
  • Software-controlled HDD power (GPIO)
  • RTC wake for scheduled backups
  • USB-C OTG for eMMC flashing
  • Hammond 1455 aluminium enclosure

Roadmap

  • v0.3 — First production run (CM4, 4-layer PCB, JLCPCB)
  • v0.4 — Fix wake/shutdown latch (#31), barrel jack swap (#40), DF40C alignment bosses (#37)
  • v1.0 — Validated design with custom OS image and documentation
  • Future — Investigating RISC-V SoM support for a fully blob-free variant

License

CERN Open Hardware Licence Version 2 - Permissive

Comments

No comments yet. Be the first to ask about this board.

Ask about this board

Sign in to BoardRepo

New here? Signing in creates your account; there is no separate sign-up.