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What does Pepper do?

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roberthjack edited this page Jan 15, 2021 · 4 revisions

PEPPER is a DIY solution for integrating your Bela board with modular and Eurorack synths.

Labelled ins and outs of Pepper

PEPPER is sold as a bare PCB that comes with a list of common through-hole components for you to source, and instructions for putting it together. Attach PEPPER to your Bela board and you can start prototyping and experimenting with Bela and your modular synths.

Once assembled, PEPPER will add all of this in your modular set-up:

  • Width: 18HP

  • I/O (1/8" jacks):

    • 2 audio in (AC-coupled, 10V pk-to-pk, 44.1kHz, 16bit)
    • 2 audio out (AC-coupled, 10V pk-to-pk, 44.1kHz, 16bit)
    • 8x CV in (with pots attenuating, 16bit, 12V safe). Optionally, up to 4x of the CV in sockets can be swapped for trigger ins, leaving the pots connected directly to Bela's analog inputs.
    • 8x CV out (16bit, 0-5V)

  • Interface:

    • 8x pots (attenuation of CV in)
    • 4x buttons
    • 10x LED output

  • Bela processor (Bela Starter Kit sold separately):

    • 1 GHz ARM Cortex-A8
    • 512Mb RAM
    • Sub-millisecond round-trip latency

This is a DIY project that requires you to solder parts together. If you are looking for a full-fledged Eurorack module, that comes pre-assembled, check out SALT and the SALT+ expander.

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