DIY Roland TR-808 Clone For €300

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.