Welcome to Orthogonal Devices, home of the ER-101: Indexed Quad Sequencer.
Recent News
August 11, 2016 I have released a new firmware for the ER-101 and ER-102. This is update fixes a major bug in the smoothing algorithm when dividing down the clock. ER-102 owners just need to update their ER-102. ER-101 v2.06 firmware: programmer release notes ER-102 v2.06 firmware: release notes May 27, 2016 I have released a new maintenance firmware for the ER-101. This is a minor upgrade that is mostly for fixing bugs in the UI. Not a necessary upgrade for ER-102 owners. ER-101 v2.05 firmware: release notes May 9, 2016 I have released a new firmware for the ER-102. This is a minor upgrade that is mostly for fixing bugs in the MIDI importer. ER-102 v2.02 firmware: release notes January 23, 2016 I have released a new firmware for the ER-102. This is a major upgrade and brings the ER-102 to a mature state as v2.00! There are some cool new features for GROUP step selection, real-time recording pass-thru and MIDI Import. Please see the updated manual for details. ER-102 v2.00 firmware: release notes December 22, 2015 I have released a new firmware for the ER-101 that fixes one bug and introduces a few new features: ER-101 v2.04 firmware: release notes Installing this firmware will only add the new features to a standalone ER-101. A similar update is coming to the ER-102 soon. September 20, 2015 New firmware for ER-102 that fixes two bugs. This is just a release for maintenance, no new features: ER-102 v1.06 firmware: release notes September 8, 2015 New firmware for ER-102 that fixes two bugs. This is just a release for maintenance, no new features: ER-102 v1.05 firmware: release notes May 21, 2015 42 new scales (subsets of the chromatic scale) are now available for your ER-102. Just copy them to the TABLES directory of your ER-102's SD card. Comes with the python script that was used to create the tables. Download Also, I've released a new video on "Seqeuencing with Probability" for the ER-101/102 combo. March 26, 2015 New firmwares have been released: ER-101 v2.02 firmware: release notes ER-102 v1.04 firmware: release notes January 23, 2015 The ER-102 User Manual is now ready to answer your questions. December 16, 2014 The ER-102 Sequencer Controller is now available for ordering. You will need to update your ER-101's firmware to v2.00 in order to use it with the ER-102. May 7, 2014 The ER-101 Programmer application is now available for OS X and Windows. Please download it from here. May 6, 2014 Firmware v1.10 is now out of beta and officially released along with an updated manual. A summary of the changes can be found here. Please download the most recent Programmer to update your ER-101. April 3, 2014 The expander is coming along nicely. I had hoped to have it finished by the end of March but it looks like it will be finished closer to the end of April or mid-May. The extra time is to incorporate some advanced features to make this an ER-101 controller instead of just an expander. It is still just 14hp wide and includes most of the expander functionality discussed already but other details will remain top secret for now. February 7, 2014
Our products are now available from Post Modular, London Modular, Rub-a-dub and Schneidersladen.
January 28, 2014
The month of February will be dedicated to development and thus no new stock will be available until March.
December 22, 2013
Simple firmware tool for OS X: I am working on developing an OS X version of the full ER-101 Programmer which should be ready by March 2014. However, in the meantime I invite all my OS X users to check out a simple firmware command-line tool that I've prepared for you: firmware-tool-for-os-x. If you have any experience with the Terminal App in OS X then using this tool will be very easy.
December 19, 2013
ER-101 firmware v1.09 is released. Get the new programmer to update your ER-101. See the release notes for details.
December 12, 2013
You can follow us on Twitter:
 November 11, 2013
ER-101 firmware v1.08 is released. This release is just a bug fix for v1.07. Get the new programmer to update your ER-101.
November 1, 2013
The new MetalPhoto panels have arrived!
 October 31, 2013
ER-101 firmware v1.07 is now available which introduces the following changes:
Just download the latest version of the ER-101 Programmer to update your sequencer. There is also an updated manual here.
October 15, 2013
October 7, 2013
The ER-101 Programmer is almost ready for release. This tool will allow you to upgrade the firmware of the ER-101 and transfer snapshots to and from the ER-101 in XML format. I expect the Windows version to be available for download (along with an updated firmware for the ER-101) by the end of this week.
 September 19, 2013
I was never happy with the plastic knobs used in the first batch. After a long wait, the ER-101 now has its own custom-made anodized aluminum knobs!
 September 15, 2013
The Book of Work for the ER-101 firmware and expander is now available.
September 14, 2013
A rendition of Steve Reich's Piano Phase (1967) using the ER-101 and a few other eurorack modules:
September 7, 2013
September 3, 2013
A memorable moment for O|D, the first 3 units of the very first batch are ready to ship to their respective owners in Canada, Sweden and Wales:
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