MicroDexed-Touch
DIY Groovebox / Synth / Sequencer with 2x16 voices 6 OP FM, 16x voices MDAepiano, 2xVA, 2x16 MIDI Channels, 8 voices Chromatic Sampling/Pitched Drum Samples and 8x voices Braids Oscillator (shared with sampling voices), based on a Teensy 4.1 in a tiny box.
Microdexed-touch required a Teensy 4.1, PCM5102 Audio Board, 320x240 ILI9341 SPI Display with XPT2046 Touchscreen and a serial Flash Chip on a prebuild module. This reduces the required soldering skills to a minimum, no SMD components need to be soldered.
Maybe we will add a PSRAM chip in the future but this will not require any changes to the PCB. For now, PSRAM is is not a part of the build.
Join our Discord Chat, to get the latest news or talk to us:
Copy/Paste Function in Song Editor
Top lid mod (no change to bottom part required)
Detailed build instructions, BOM, full source code are at the project homepage/repository linked below.
Project Playlist:
https://www.youtube.com/watch?v=-JIxHMlZM0k&list=PLHTypoMU1QoGOXPli8bjR6MknPiQpubHl
Noob Guide:
https://codeberg.org/positionhigh/MicroDexed-touch/wiki/MicroDexed-touch-Noob-%28Newbie%29-Guide
MicroDexed started as a Teensy based, 6-operator-FM-synthesizer. The first generation is still maintained at: https://codeberg.org/dcoredump/MicroDexed
Compared to the previous Version, there are a lot of new features/improvements:
- "Large" Graphical Interface, view and edit multiple Parameters in one Screen
- Map MIDI CC to external MIDI Devices to control Input/Parameters
- Use external MIDI gear over USB or MIDI Mini Jack (DIN MIDI with adaptor) from 2 x 16 MIDI Channels in the Sequencer
- Loading, playing and editing multi-sampled instruments or layered instruments in a "live" mode or played by the sequencer. Auto detection sample zones but also can be edited manually
- 2 new "Virtual Analog" Synth Instances - Monosynths with one OSC, PWM, Filter and Noise. A lot of useful new sound possibilities. This module is called "MicroSynth"
- Much improved Sequencer with 8 Tracks, 16 Step Patterns, 16 Step Pattern Chains, up to 16384 Song Steps, Arpeggiator with 1/8 - 1/64 Steps, Arp Patterns, Pitched Drum- and Instrument Sample Support
- The sequencer can also play chords stacked up to 7 notes, using only a single track
- The sequencer can play arpeggios with various standard and euclidean patterns
- Mixer View with all Channels
- Sample Management from SD-CARD and SPI FLASH, samples can be loaded/modified from SD-CARD to FLASH during runtime
- Tracker View (Editor) - work in progress
- Track Print/Recording
- Mutable Instruments Braids Oscillator - with up to 8 voice polyphony, added envelopes and filters, with everything of the core features, except the wavetables
- Multiband compressor/equalizer
Please check the project homepage/repository for more details, build instructions, diagrams and much more.
latest features/work in progress:
Chance/Probability Settings
Chance/Probability Settings
Euclidean Arps
Multiband compressor/wave shaper
Sample editor
Enhanced Multisample Playback
(parts of) Mutable Instruments Braids Oscillator(s)
See progress / change log at:
https://codeberg.org/positionhigh/MicroDexed-touch/wiki/Changelog
MicroDexed-Touch (MDT) - SLA printed enclosure - LID + BOTTOM CASE
You can download/order the parts below at:
CAD-Custom parts and enclosures
Select Material: Resin
Select Process: SLA
So far tested Resins are:
Resin Standard white material (UTR 8360)
Resin UTR-8100 (transparent)
MicroDexed-Touch
*PCBWay community is a shared platform and we are not responsible for any design issues.
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