LED:
DIN - Teensy: 17
+5V - Teensy: +5V
GND - Teensy: GND


Encoder Left:
CLK - Teensy: 5
DT  - Teensy: 22
Switch - Teensy: 15
-
+3v - 3V
GND - GND

Encoder Middle:
CLK - Teensy: 9
DT  - Teensy: 14
Switch  - Teensy: 16
-

+3v - 3V
GND - GND


Encoder Right:
CLK - Teensy: 4
DT  - Teensy: 2
Switch  - Teensy: 3
-
+3v - 3V
GND - GND


  
DAC_PCB:
BCK - Teensy: 21
DIN - Teensy: 7
DOUT - Teensy: 8
WS  - Teensy: 20
+3  - 3V
GND - GND

0   ->  MIDI IN 
1   ->  MIDI OUT
2   ->  NI=>Right Encoder CLOCK
3   ->  NI=>Right Encoder BUTTON
4   ->  NI=>Right Encoder BUS
5   ->  NI=>Left Encoder CLOCK
6   ->  MEMORYCHIP  
7   ->  AudioDAC DIN
8   ->  AudioDAC DOUT
9   ->  NI=>Middle Encoder CLOCK
10  ->  ChipSelect CS for SD 
11  ->  Data Storage (SPI) from Teensy to SD/MEM
12  ->  Data Storage (SPI) from SD/MEM to Teensy
13  ->  Data Storage (SPI) Clock
14  ->  NI=>Middle Encoder BUS
15  ->  NI=> Left Encoder BUTTON (+volume?)
16  ->  NI=> Middle Encoder BUTTON
17  ->  NI=> LED-MAXTRIX DIN
18  ->  Control Data (I2C)
19  ->  Control Clock (I2C)
20  ->  Audio Left/Right Clock, 44.1 kHz
21  ->  Audio Bit Clock, 1.41 or 2.82 MHz
22  ->  NI=>Left Encoder BUS
23  ->  Audio Master Clock, 11.29 MHz
*/