Midi-controller

Project: Midi-Controller
Status	onderbroken
Betrokkenen	Lijnenspel Jelle (Lijnenspel) Rol: niet-deelnemer Deskundig met: Arduino, Programmeren, Sammy Werkt aan: Geen projecten :(
Kennisgebied(en)	MIDI Gebruikt in projecten: Midi-controller , arduino Gebruikt in projecten: !UIT 2012, ArduCopter, Arduino Spectrum Analyzer, Arduino Workshop, Beamerluik, Bedlights, Cirkelklok, Conrad BEL-8006 radiothermostaat, DIY Theremin, DMX Homelight, Drum Counter, Escape Room, HydroponicGarden, HypnoDisc, LPD8806-Lan, Lasercutter, Ldr2ethernet, Led cube, Led it be ledder lamp, Led kubus kit, Ledstrip Miniprojecten, Ledtafel, Midi-controller, Moodlights met ws2812 en NRF24L01, Poerbest v2, Servo Arduino, Spacestate light, Spinoff Led it be lamp, Stadsverwarming, Stofbot, WeatherDuino Deskundigen: Fugu, Groveld, CrazyA, Elmer, CodeHunger, Failbaitr, Lijnenspel Beginners: Panter , Elektronica Gebruikt in projecten: !UIT 2012, Afkortzaag, Analog Moodlight, Animatronics ogen met Arduino, AnnoyingPillbox, ArduCopter, Arduino Spectrum Analyzer, Beamerluik, Binaire klok, CNC Freesmachine 2, Capibara, Cirkelklok, DIY Theremin, DMX Homelight, Electronic Boolean algebra Puzzle, Escape Room, Fix de Mixer, Frackademy, Frequentie visualisator, HypnoDisc, KnipperLedPrint, LEDkaarten, Labvoeding, Ldr2ethernet, Led cube, Led kubus kit, Ledwall, Midi-controller, PCB CNC, Poerbest v2, Puntlas apparaat bouwen, SMD Oven, Standverwarming, Stofbot Deskundigen: Groveld, Lian, CrazyA, Elmer, JTAG, Martijn Beginners: Failbaitr , Teensy Gebruikt in projecten: Midi-controller
Projectoverzicht – Project toevoegen

Het maken van een (modulaire) midicontroller met relatieve rotary encoders en veel leds!

Draft!

At the moment I'm temporarily using a Allen&Heath Xone 1D to control my computer while DJ-ing. Temporarily, because I'm dissatisfied with the functions it offers. So I thought: I know the basics of electronics, why not build my own?.

The things I'm missing at the Xone 1D are sufficient rotary encoders and visual feedback. That's why I'm prototyping a MIDI-controller with 8 rotary encoders per PCB with an octagon of 8 leds per rotary encoder.

At the moment I have:

• A Teensy
• 30 ALPS rotary encoders [1]
• 500 Orange SMD Leds
• Some led multiplexers
• Some I²C I/O expanders

Teensy

The choice of Teensy was easy, because of the support for USB HID, a way to get your Teensy reconized as a MIDI-controller and thus natively used in software programs.

Modular

I'm not sure how I can make this thing modular yet. Guess I'll be making a tail of I2C I/O expander slaves and let the teensy decide which midi messages to use.

Something that looks a bit like the goal.

Modular 'hotshoe' plugs by Harwin:

• M90-7010845
• M90-6010845

Relative MIDI messages

Because there's no official format for relative midi messages, I decided to pick the solution given on the Allen&Heath 1D. It's supported by programs like Ableton Live and Traktor.

It's really simple: Turning the rotary 1 step clockwise gives you a value of 1, 1 step counterclockwise 127. For multiple steps within a clock-cycle of the controller the value's will be more or less towards inbetween.

Acties

• Lijnenspel – Describe Relative Midi CC messages
• Lijnenspel – I2C I/O Expanders