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Milkymist Compatibility - TOFE Expansion board

The Numato Opsis board is already very similar to the Milkymist M1 and Mixxeo devices created by M-Labs, but lacks the DJ hardware interfaces. This expansion board adds these missing components.

This board can be ordered from the Numato Opsis page on

Board Image


This extension board has the following features;

  • AC‘97 compatible audio interface with Microphone, Headphones, Line In + Out (on standard 3.5mm connectors).

  • RS-422 / RS-485 compatible high speed (10Mbps), full duplex serial port;

    • Compatible with wide range of interfaces including the industry standard DMX512 control protocol.

    • Connected to screw terminal headers, allowing wiring to DB-9, RJ-12, XLR-5, XLR-3 or RJ-45 connectors (wiring diagrams provided).

  • RS-232 full duplex serial port on a standard DB-9 connector. Supporting connection to wide range of devices with serial ports. (A secondary RS-232 full duplex serial port on a standard screw terminal.)

  • MIDI In and Out interfaces on screw terminals, supporting connection to wide range of musical instruments and control devices.

  • Infrared transmitter and receiver compatible with manys consumer remote protocols.

  • 4 x Push button Switches,

  • 4 x Indicator LEDs,

  • 2 x Digilent Pmod™ Compatible headers to allow usage of existing expansion boards, including boards froms Numato Lab, Digilent, Maxim ands Analog.

A PDF version of the schematic can be found in the docs directory.


The design in this repository was made using KiCad version 2013-07-07 BZR 4022 (the version is Ubuntu Trusty).


TOFE MilkyMist Compatibility Expansion board by Numato Systems Pvt. Ltd

TOFE MilkyMist Compatibility Expansion board is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

You should have received a copy of the license along with this work. If not, see

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A board which adds control interfaces and audio for Milkymist compatibility for use with TOFE-8x hosts like the Numato Opsis.




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