Ornament and Crime O_C firmware

Ornament and Crime active

Latest firmware: 1.3.5

1.3.5

Last checked 11 Sep 2026

Download 1.3.5 from Ornament and Crimeopens in a new tab — github.com

How to update the Ornament and Crime O_C

Update via USB using Teensy Loader application (v1.33 or later). Requires that the USB trace on the module's Teensy microcontroller has been cut (a one-time hardware preparation step). Connect a micro-USB data cable from the Teensy to a computer. Download the HEX file from the GitHub releases page. Open in Teensy Loader, press the program button on the Teensy board, then click Program. Calibration data is preserved across firmware updates and no recalibration is needed.

What you need

Teensy Loader — the software Ornament and Crime uses to load firmware onto the Ornament and Crime O_C. Download links below.

Just for reference. For complete and up-to-date instructions, always refer to the manufacturer's official firmware page.

Drivers & software for the Ornament and Crime O_C

The Ornament and Crime O_C is updated with Teensy Loader, published by Ornament and Crime.

Download Teensy Loader from Ornament and Crimeopens in a new tab — github.com

Get Ornament and Crime O_C firmware alerts

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Ornament and Crime O_C firmware update history

Changelogs summarised from the manufacturer's release notes.

Version 1.3.5

Release notesopens in a new tab — api.github.com

Version 1.3.6 — 7 Oct 2019

- Meta-Q: fix scale sequencing - merge: "VOR" support (plus removed a few esoteric scales (because gcc 4.8))

Release notesopens in a new tab — github.com

Version 1.3.4 — 2 Mar 2018

includes misc bug fixes (courtesy of @patrickdowling) - envelopes CV/mapping [Piqued] - brownian motion/CV [Sequins] - trigger input mapping when using the module upside down [options: FLIP_180] - menu adjustments [Harrington 1200] (thanks @jamieferguson)

Release notesopens in a new tab — github.com

Version 1.3.3b — 26 Aug 2017

- compiled without USB serial support --> smaller hex - minor fixes for Sequins; Acid Curds. - some housekeeping

Release notesopens in a new tab — github.com

Version 1.3.3 — 15 Aug 2017

1.3.3 [changelog](http://ornament-and-cri.me/firmware-changelog/)

Release notesopens in a new tab — github.com

Version 1.3.2 — 29 Jun 2017

- incl. fix for Quadraturia phase spread behaviour - adds: cross-channel amplitude modulation, misc. CV destinations (via CV4), frequency multiplication/division (via TR4) [all in Quadraturia]

Release notesopens in a new tab — github.com

Version 1.2 — 26 Jan 2017

Release notesopens in a new tab — github.com

Ornament and Crime O_C manual & official pages

Ornament and Crime O_C user manual (PDF)opens in a new tab — ornament-and-cri.me
Ornament and Crime O_C on ornament-and-cri.meopens in a new tab — ornament-and-cri.me
Download Ornament and Crime O_C firmware from Ornament and Crimeopens in a new tab — github.com

Ornament and Crime O_C firmware FAQ

What is the latest firmware for the Ornament and Crime O_C?

The latest firmware for the Ornament and Crime O_C is version 1.3.5. FW//RADAR last checked Ornament and Crime's official page on 11 Sep 2026.

How do I update the Ornament and Crime O_C?

Update via USB using Teensy Loader application (v1.33 or later). Requires that the USB trace on the module's Teensy microcontroller has been cut (a one-time hardware preparation step). Full instructions on Ornament and Crime's official firmware page.

What software do I need to update the Ornament and Crime O_C?

You need Teensy Loader, available from Ornament and Crime's support site.

Where can I download Ornament and Crime O_C firmware and drivers?

Directly from Ornament and Crime's official firmware page — FW//RADAR links to the source and never hosts firmware files. Official firmware page →

Where can I find the Ornament and Crime O_C manual?

The official Ornament and Crime user manual is a PDF hosted on ornament-and-cri.me. Ornament and Crime O_C user manual (PDF) →