Trinity is universal musical instrument and original sounding modular groovebox. It can function as any type of digital synthesizer, sequencer, controller, arpeggiator or almost anything that can be programmed into a micro-controller. Trinity is designed to be connected and combined with other Trinities of different functions in a chain, so you can create your own music making environment. It is ready to communicate with the outer world via MIDI and different sync and CV methods using MIDI Bastl. We are musicians passionate of exploring new fields of sonic experience – we already developed 4 different instruments for Trinity which work great together. They are sequencer, drum synthesizer, polyphonic synthesizer and monophonic FM synthesizer.…and there is many more to come!

All Trinity instruments have the same price: 75 eur for assembled instrument and 60 eur for a soldering kit (excluding VAT)

Introducing Trinity video

Features

  • simple interface which makes it playable musical instrument
  • available assembled or as a soldering kit
  • MIDI native (note,CC) , MIDI jack and almost endless sync possibilities by MIDI Bastl
  • software reprogrammable by Arduino (breakout for standard FTDi USB)
  • hardware expandable and hackable – including breakouts for sensors or more buttons
  • chain connectors to share power, audio and communication within more Trinity/Bastl instruments
  • user memmory for storing presets and patterns (exportable, transferable)
  • stylish lasercut replacable enclosure with instrument labels
  • adjustable volume
  • mono, 16385 hz, 14 bit – double PWM sound generation
  • TRS Jack 3.5mm audio output able to drive headphones
  • powered from 9V battery or 9V positive polarity power supply (2.1 mm) or from the Trinity chain (use switch to select)
  • running Mozzi library and Bastl library for Arduino

Making chain

The true power of Trinity reveals when more instruments are connected in chain which shares, communication (MIDI), Audio line and power.

Communication:   SQNCR is able to sequence 3 different Trinity instruments by MIDI protocol which is ideal for live sequencing. All instruments have MIDI input which reads note and CC values.(We plan to make CC automation sequencer and sensor boards sending CC.)

Audio: The chain connectors also share audio line which simply works as a passive mixer so all instruments can be mixed directly on Trinities themselves by the volume knobs and audio can be taken out by the rightmost jack. You can also take the audio from each device separately.

Power: The chain also shares the power so you need just one power adaptor to power the whole system. The Instruments can be powered from batteries in the chain as well.

 

Live performed music on Trinity

Open-source, DIY, handmade, hackable, repairable

 

Trinity is a finished musical instrument as much as an empty canvas. It is open for any sort of hacks both hardware and software. You can hack the existing softwares or write your own synth software from scratch using the Mozzi library for sound output. Because Trinity is based on Arduino, you can use the whole world of it to interface literally anything with it. Hardware hackability means that you can connect sensors or motors to it or sync it to any device. The softwares and examples are written in structured form so you can read and change them easily.

 

Future

Trinity project is under constant development. We are starting with Trinity PCB version 1.0. We already are working on version 1.1 which fixes few construction design issues. All the further versions will aim for perfection, but will remain compatible. We have nice starting price now, which might change over time, because we want to develop full injection moulded enclosure, change some details in the design and production methods etc. We also want to collect some feedback from users who might see more than we can. The software part is done, but with growing number modules we want to implement new functions to the existing softwares as well as include some user contributed hacks into the official versions. And all this is possible only with your support!

Beyond Trinity

The field of our sonic fantasies lies beyond the algorithmically synthesized digital stuff. We are working on the development of digitally controlled analog circuitry, on mechanical output in motors and high voltage switchers but also in implementing different sensoric and weird ways of performing. This all compatible with the Trinity chain.

List of software ideas for Trinity

  • xor synth 6 voice polyphonic synth playable by MIDI (almost ready)
  • mystery drone synth
  • magic table oscillator synth
  • algorithm+random synth
  • MIDI arpeggiator
  • sequencer for single Trinity instrument
  • automation sequencer / LFO
  • …and many more…

Hacks (documentation soon)

  • sync sequencer with GameBoy Nanoloop (by led and by MIDI bastl) – done
  • sync with Korg Volca by MIDI Bastl – done
  • trigger analog drum sounds from SQNCR or Drum – done
  • randomizer – done
  • photo resistor (LDR) controlling parameters of synth – done
  • exchange sounds between the same instruments – done for POLY
  • cv and gate to MIDI CC and note by MIDI bastl – planned
  • very nice assembly video by Daniel Baum + another of his videos with Trinity

Credits

  • Casing and graphic layout was designed by Anymade Studio
  • PCB designed in Fritzing
  • using Arduino IDE to develop and upload the software
  • using Mozzi library for Arduino
  • PCB and software by Václav Peloušek
  • developed by Bastl Instruments

Legal statement

  • Software is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License. View
  • Hardware  licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. View
  • CE a RoHS compliant
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