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margarita prototype

2 months ago 492
  • Description
  • Documents
  • BOM
  • Attachments
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Description

Margarita Prototype is originally a rework of the kxmx_bluemchen and kxmx_nehcmeulb. Based on a Daisy Seed.
It accommodates 2 audio inputs, 2 audio outputs, 6 knobs with CV (with attenuation), 2 gate inputs, 1 CV out, MIDI input, OLED screen and a push encoder an expander is planned to add more controls, more audio i/o and some. Speaks Eurorack.


This is a work in progress. Use at your own risk.

Motivations: learning electronics and MCU programming so i can make weird music.
Making this stuff affordable; I'm trying to use JLCPCB's Basic Parts when possible (of course, that doesn't always include ICs) to maintain the price to a minimum.

This is a work in progress. It started out as a quick mod from kxmx's design but it triggered a cascade of ideas that will have me squeeze the nectar out of the Daisy Seed to get basically as many controls and ins and outs as possible from this cute little board.

Documents

panel_PCB_margarita prototype

board_PCB_margarita prototype

IO

UI

BOM

ID Name Designator Footprint Quantity
1 1nF C16 C0805 1
2 PJ301M-12 JK1 PJ301M-12 1
3 VBA3102M Q1 SO-8_L4.9-W3.9-P1.27-LS5.9-BL 1
4 100K R1,R2 R0603 2
5 1K R3,R4,R43 R0603 3
6 TL072CDT U1,U2 SOIC-8_L5.0-W4.0-P1.27-LS6.0-BL 2
7 ALPHA 9MM VERTICAL U12 ALPHA9MM 1

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Members

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