open-source

I2C FRAM Memory

Add 32 KiB of nonvolatile memory for counters, calibration values and small logs without a backup battery.

Remix this board → View source on GitHub ↗

License: CC BY-SA 3.0
Source revision: Original MB85RC256V I2C design
Last mirror: Sep 10, 2026
Git commit: f7d4afa22ddd

About I2C FRAM Memory

Add 32 KiB of nonvolatile memory for counters, calibration values and small logs without a backup battery. Original two-layer design for adaptation to ViaGrid; rerouting and testing are required.

Published design files

Development & tools · two copper layers
Open source (CC BY-SA 3.0) · Limor Fried / Adafruit Industries
Mirrored at f7d4afa22ddd

Canonical source stays in the upstream git repository (and in WalGit after a successful mirror push). Generated renders and 3D models use artifacts/viagrid/fram-memory/f7d4afa22ddd562f52c557e2e8f003611515b4f4/27815d05c3179c3f on the artifact CDN and are not checked into git.