Music Production Blog

DIY Roland TR-808 Clone For €300

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Posted on: June 18, 2017
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The eagerly awaited Yocto Roland TR-808 drum machine clone is nearing completion. It should be ready in about 3 weeks and the kit to make it will set you back just 295€.

The Yocto 2 kit includes two PCBs, potentiometers, and “rare parts and switches”. Although a clone of the world’s most famous drum machine, the Yocto 2 adds extra features to the TR-808…

Yocto 2 Features

  • 12 analog instruments cloned of the Roland TR-808 and Boss PC-2 Percussion Synthesizer
  • 128 Rhythm patterns from 1 to 16 steps
  • 16 tracks of 999 measures
  • 1  external instrument track by pattern that can store 99 notes like SH101 sequencer style.
  • A Midi keyboard mode allow you to play external Midi device
  • Multi out for each instruments
  • Individual accent for BD, SD, LT, MT, HT, RS, HC and CH
  • A total accent track
  • Master out (L/R Mono) 6Vp-p 1Kohm
  • tempo  30 – 250 Bpm
  • 7 shuffle levels
  • 4 scales (1/8t, 1/16, 1/16t and 1/32)
  • 4 sequencer directions (forward, backward, ping-pong and random)
  • Easy copy and paste pattern function
  • Shift left or right the entire pattern or individual instrument
  • In/Out/Thru Midi
  • DinSync 24ppqn Out
  • Trig Out 2ms +5V
  • And  More…

Manual available soon…

The kit includes:

  • Two PCBs  (the MainBoard and the IO board)
  • All potentiometers
  • All transistors  (original 2SC828R, 2SC945P, 2SA733P and 2SK30A
  • Two BA6110 (One for the Handclap VCA and the other for the Boss PC-2 VCA)
  • One AN6912
  • One HD14584BP
  • The µC preprogrammed (an Atmega1284P)
  • Six 1N34A germanium Diodes

All other parts are available on the Yocto v2.0 Mouser BOM.

If you’re more inclined towards a Roland TR-909 clone, check out the Nava, also by E-Lick-Tronic.





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