This Powerful 8-Bit Synthesizer DIY Kit From Soulsby Features MIDI-Hacked Arduino

Looking for a wallet-friendly, 8-bit synthesizer DIY kit you can make inside one hour with plenty of hacking options all for less than £70 GBP? Welcome to the Soulsby MiniAtmegatron.  

It's almost as if Soulsby planned to have the MiniAtmegatron available just in time for Christmas... And of course they did. And this synth DIY kit looks to be more than a stocking filler. If you're somewhat experienced with the art of soldering, and want your own 8-bit synthesizer based on the impressive original Atmegatron, then this little brother version is worth a punt.

The MiniAtmegatron Kit contains:

  • miniAtmegatron shield kit. (Components / PCB / instructions) 
  • MIDI-hacked Arduino Uno (clone) 
  • Perspex laser-cut enclosure + fixings

Here's a new 90 second video on the MiniAtmegatron:

Here's some more details on the MiniAtmegatron (which retails for £68 GBP)


  • 0.5 – 1 hour build time, depending on experience
  • Soldering experience recommended
  • YouTube tutorial to help building
  • Once built the shield slots into the top of the Arduino Uno
  • The enclosure can then be assembled around it
  • Powered by USB
  • Audio via 3.5mm mono jack


  • 8-bit monophonic MIDI synthesizer
  • Unique Wavetable PWM Synthesis audio engine
  • Controlled via 2 RGB LEDs, 5 buttons and 6 pots
  • Instantly playable using inbuilt sequences or play button
  • A huge number of Atmegatron features in 1 tiny device
  • Save sound to memory for future use
  • MIDI via USB port on Arduino


  • Download the open source code from the downloads page
  • Download the free Arduino development environment
  • Upload the source code to the Arduino Uno and it’s ready to play!
  • Tutorials and forums to help programmers


Price: £68 GBP

Read our review of Soulsby Atmegatron here.



Rounik is the Executive Editor for Ask.Audio & macProVideo. He's built a crack team of professional musicians and writers to create one of the most visited online resources for news, review, tutorials and interviews for modern musician and producer. As an Apple Certified Trainer for Logic Pro Rounik has taught teachers, professional... Read More


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