MATRIXSYNTH: Pepper, a DIY Eurorack module for Bela.

Friday, July 23, 2021

Pepper, a DIY Eurorack module for Bela.


video upload by Bela Platform

You might recall Pepper from this post back in 2019.

"Pepper is a DIY Eurorack module for synth builders. It’s the easiest way to get Bela into your synthesiser case and once assembled will give you a fully programmable module. Code synth patches using C++, Pure Data, Supercollider and Csound

This video gives an overview of the module and demos some of the default patches which come with the board. This includes:

Start 0:00
Module overview 0:10
Tape-style Delay 1:08
Wavetable Drums 3:33
4 Channel Looper 6:09
Vocal Synthesis 9:22
1st Principles Drum Machine 11:50
Dual Inharmonic Oscillator 15:18

Pepper is available now as a PCB and Faceplate kit from our shop (https://shop.bela.io/collections/modu...) or as a full DIY kit from Thonk (https://www.thonk.co.uk/shop/bela-pep...)."



"PEPPER is a DIY kit for hardware enthusiasts who love Bela, modular synths, and building things.

PEPPER consists of a bare PCB with matching faceplate, as well as an additional faceplate for USB breakouts. There is a list of common through-hole components for you to source, and we provide an in-depth, illustrated build guide. Once assembled, attach your Bela board (sold separately) and start prototyping and experimenting with Bela and your modular synth. Both faceplates are matte black with luxe gold print or, if you prefer, white print on the reverse.

Your PEPPER DIY kit includes:

Bare PEPPER PCB, ready for assembly
A matching faceplate and USB breakout faceplate, both made of matte black PCB with gold surface finish (and matte white screen print on the reverse)
Once assembled, PEPPER is 18HP wide and adds the following to your modular setup:

Stereo audio I/O
8 CV inputs (up to 4 can be swapped for trigger ins)
8 CV offset potentiometers (normalised to analog inputs)
8 CV outputs
4 buttons
10-LEDs


When assembled, attach PEPPER to your Bela unit, plug it into your laptop and access Bela's browser-based IDE. Code synth patches using C++, Pure Data, Supercollider, Csound; start from scratch or use one of the dozens of included examples covering everything from synthesis to sensors.

Pepper comes with a library of example patches ready to go. These include patches such as an analogue-style tape delay, 4 channel looper. inharmonic oscillator bank, physically-inspired vocal synthesiser, LFO playground, granulator, a couple of drum machines, and template projects for creating your own patches.

To learn more about PEPPER (including the full bill of materials, details on power supply and customisation options), please visit the PEPPER wiki.

Important notes:

PEPPER is a DIY project that requires lots of soldering, and is intended for experimentation. If you're looking for a fully-assembled Eurorack module, check out SALT, our programmable module.
PEPPER is not compatible with Bela Mini, or the CTAG series."

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