Build MIDI controllers with ease

Instead of spending time on circuit design, programming, and solving lots of unnecessary problems, simply connect components of your MIDI controller into OpenDeck board and you’re done.

Extreme configurability

Additional board configuration can be done online – no installation of extra software is necessary!

Extensive documentation for easy start.

Packed with features

OpenDeck is the most featureful and configurable MIDI platform on the planet.


Simplicity is a feature.

Universally supported

Windows, macOS, Linux, Android, iOS. Any MIDI supported DAW or DJ software.

Online configurator

Configure your controller in web browser. No installation required.

Open source

100% open-source and open-hardware

Custom board support

Easily add support for yours!

Battle proven

Running inside custom controllers for world-class musicians.


Buttons, potentiometers, FSRs, encoders


Single color and RGB LEDs

Touchscreen support

All Nextion and Stone HMI models


Connect synths and other gear


No drivers required


DMX output supported (with additional circuitry)


Up to 10 individual mappings

14-bit support

Pitch bend, high-resolution CC and NRPN support

Firmware updates in browser

Update your board with new features
Parallax Features

Official board specifications

Loaded with I/O in compact form. 10cm x 10cm. Small, medium or large size project, OpenDeck board has you covered.

Digital inputs

64 inputs for buttons or 32 for encoders


48 single color-LEDs or 16 RGB LEDs

DMX output

Open Lighting Architecture compatible


Support for any Nextion and Stone HMI screen

Analog inputs

32 inputs with support for buttons


Class compliant. No drivers required.


In and out

I2C for OLED display

SSD1306 controller support

Official board is sold out!

Supported boards

Not only does the firmware run on official board, it also supports Arduino Mega, STM32F4 Black Pill and many other boards. Still feeling limited? Firmware supports defining your own board variants as well.

Flash your board with OpenDeck firmware.

Built with OpenDeck

Check the examples below and see what is possible with OpenDeck.

  • All
  • Shantea Controls
  • DubFocus
  • Bergamot
  • Rooibos
  • User made

Discuss. Ask. Request features.


Users just love OpenDeck. But don't take my word for it.

Latest blog posts

Article Blog Image

OpenDeck v7

Even though last post made it sound like the development of the OpenDeck platform is stopping, that was not the case. In the meantime I’ve found few more areas I’d like to explore. One of them is Bluetooth MIDI and that was the focus of latest OpenDeck release, v7.1.0.


Want to know more about OpenDeck? Interested in custom MIDI controller? Send a message (English please)!