Arduino MIDI Controller

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MIDI in+out.png

MIDI Programm Changer

For live performances:

IMG1.JPG

Links

MIDI Thru (old)

using 74HC14N Hex Inverter with Schmitt-Trigger

e.g. DIY MIDI Thru Box

MIDI Thru (new idea)

with 74HC241 8x Three-State-Buffer

1OE 1A 1Y Out
L H H
L L L
H x Z
2OE 2A 2Y Out
H H H
H L L
L x Z


MIDI thru.png

74HC241:

1OE 1     U     20 Vcc
1A1 2 19 2OE
2Y4 3 18 1Y1
1A2 4 17 2A4
2Y3 5 16 1Y2
1A3 6 15 2A3
2Y2 7 14 1Y3
1A4 8 13 2A2
2Y1 9 12 1Y4
GND 10 11 2A1