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Ornament and Crime O_C firmware

Ornament and Crime active Device launched 2016
eurorack
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CUSTOM FIRMWARE Phazerville Suite, Hemisphere Suite, Benisphere Suite and 1 more: community firmware for the O_CSee all

Latest firmware

1.3.5
released 25 Jan 2019
Download firmware from github.com · needs Teensy Loader
Updater
Teensy Loader
Manual
User manual

What's new in 1.3.5

minor update, mainly changes under the hood: - increase sample acquisition rate (effectively) x 5 - add firmware support (in OC_options) for unipolar i/o range (0V - 10V) - misc cosmetic changes and tweaks

Last checked 27 Oct 2026

Release notes on github.com ↗

CUSTOM FIRMWARENOT FROM ORNAMENT AND CRIME

Looking for custom firmware for the O_C?

The community is building alternative firmware for it. The best known:

See all 4 projects CHECKED DAILY · NOT HOSTED BY FW RADAR

What you get with a free account

  • An alert the day a new O_C firmware ships, by email, Telegram or push
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We check Ornament and Crime's official download page for the Ornament and Crime O_C every day. One message per release. No spam, no newsletter.

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Release history
  1. 1.3.525 Jan 2019
  2. 1.3.42 Mar 2018
  3. 1.3.3b26 Aug 2017
  4. 1.3.315 Aug 2017
  5. 1.3.229 Jun 2017
All 6 releases ↓

Ornament and Crime O_C manual & official pages

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 — pjrc.com

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Ornament and Crime O_C firmware update history

6 releases since Jan 2017, roughly one every 5 months.

Changelogs summarised from the manufacturer's release notes.

Version 1.3.5 — 25 Jan 2019

Release notes for this version are listed above.

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

Tracked in 1 rig on FW//RADAR.

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, released on 25 Jan 2019. FW//RADAR last checked Ornament and Crime's official page on 27 Oct 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 pjrc.com.

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 published on ornament-and-cri.me. Ornament and Crime O_C user manual →

Is the Ornament and Crime O_C still receiving firmware updates?

The last firmware release we recorded is 1.3.5 from 25 Jan 2019. FW//RADAR still checks Ornament and Crime's page daily.

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