10 KiB
10 KiB
🔌 Pinout-Diagramm USB-MIDI-Controller
Arduino Pro Micro Pinout mit Anschlüssen
Arduino Pro Micro (Sparkfun)
Micro-USB Port
┌─────────────────────┐
│ ┌───┐ │
│ │USB│ │
External │ RAW └───┘ GND │ Ground
Power │ │
│ GND RST│ Reset
│ │
│ RST VCC│ +5V
│ │
│ VCC A3│ (nicht verwendet)
│ │
SDA │ 2 A2│ (nicht verwendet)
(I2C Data) │ │
SCL │ 3 A1│ (nicht verwendet)
(I2C Clock) │ │
MUX_S0 │ 4 A0│ MUX Signal
(Select 0) │ │ (Analog Input)
MUX_S1 │ 5 15│ (nicht verwendet)
(Select 1) │ │
MUX_S2 │ 6 14│ (nicht verwendet)
(Select 2) │ │
MUX_S3 │ 7 16│ (nicht verwendet)
(Select 3) │ │
│ 8 10│ (nicht verwendet)
(nicht verw.) │ │
│ 9 TXO│ (nicht verwendet)
(nicht verw.) │ │
└─────────────────────┘
🔗 Anschluss-Matrix
I2C-Bus Verteilung
+5V ────┬─── MCP23017 #1 VDD (Pin 9)
├─── MCP23017 #2 VDD (Pin 9)
└─── Pull-Up Widerstände (4.7kΩ)
│
Arduino Pin 2 (SDA) ─────────────┼─── MCP23017 #1 SDA (Pin 13)
├─── MCP23017 #2 SDA (Pin 13)
│
Arduino Pin 3 (SCL) ─────────────┼─── MCP23017 #1 SCL (Pin 12)
└─── MCP23017 #2 SCL (Pin 12)
GND ────┬─── MCP23017 #1 VSS (Pin 10)
└─── MCP23017 #2 VSS (Pin 10)
🎚️ MCP23017 Chip-Layout
MCP23017 #1 (Adresse 0x20)
MCP23017 #1
┌─────────────────────┐
Button 0 ───│ 1 GPB0 VDD 28 │─── +5V
Button 1 ───│ 2 GPB1 GPB7 27 │─── Button 7
Button 2 ───│ 3 GPB2 GPB6 26 │─── Button 6
Button 3 ───│ 4 GPB3 GPB5 25 │─── Button 5
Button 4 ───│ 5 GPB4 GPB4 24 │─── Button 4
NC ───────│ 6 GPB5 GPB3 23 │─── LED 3
NC ───────│ 7 GPB6 GPB2 22 │─── LED 2
NC ───────│ 8 GPB7 GPB1 21 │─── LED 1
+5V ─────│ 9 VDD GPB0 20 │─── LED 0
GND ─────│10 VSS INTA 19 │─── NC
GND ─────│11 NC INTB 18 │─── +5V (Reset)
I2C SCL ─────│12 SCL GPA7 17 │─── LED 15
I2C SDA ─────│13 SDA GPA6 16 │─── LED 14
GND ─────│14 A0 GPA5 15 │─── LED 13
Button 8 ─────│15 GPA0 GPA4 14 │─── LED 12
Button 9 ─────│16 GPA1 GPA3 13 │─── LED 11
Button 10 ─────│17 GPA2 GPA2 12 │─── LED 10
Button 11 ─────│18 GPA3 GPA1 11 │─── LED 9
Button 12 ─────│19 GPA4 GPA0 10 │─── LED 8
└─────────────────────┘
MCP23017 #2 (Adresse 0x21)
MCP23017 #2
┌─────────────────────┐
Button 16 ───│ 1 GPB0 VDD 28 │─── +5V
Button 17 ───│ 2 GPB1 GPB7 27 │─── LED 19
Button 18 ───│ 3 GPB2 GPB6 26 │─── LED 18
Button 19 ───│ 4 GPB3 GPB5 25 │─── LED 17
LED 16 ───│ 5 GPB4 GPB4 24 │─── LED 16
NC ───────│ 6 GPB5 GPB3 23 │─── NC
NC ───────│ 7 GPB6 GPB2 22 │─── NC
NC ───────│ 8 GPB7 GPB1 21 │─── NC
+5V ─────│ 9 VDD GPB0 20 │─── NC
GND ─────│10 VSS INTA 19 │─── NC
GND ─────│11 NC INTB 18 │─── +5V (Reset)
I2C SCL ─────│12 SCL GPA7 17 │─── NC
I2C SDA ─────│13 SDA GPA6 16 │─── NC
+5V ─────│14 A0 GPA5 15 │─── NC
NC ───────│15 GPA0 GPA4 14 │─── NC
NC ───────│16 GPA1 GPA3 13 │─── NC
NC ───────│17 GPA2 GPA2 12 │─── NC
NC ───────│18 GPA3 GPA1 11 │─── NC
NC ───────│19 GPA4 GPA0 10 │─── NC
└─────────────────────┘
🔀 CD74HC4067 Multiplexer Layout
CD74HC4067 Multiplexer
┌─────────────────────────────┐
Analog 0 ─────│ 1 C0 VCC 24 │───── +5V
Analog 1 ─────│ 2 C1 C15 23 │───── (Erweiterung)
Analog 2 ─────│ 3 C2 C14 22 │───── (Erweiterung)
Analog 3 ─────│ 4 C3 C13 21 │───── (Erweiterung)
Analog 4 ─────│ 5 C4 C12 20 │───── Analog 11 (Slider 4)
Analog 5 ─────│ 6 C5 C11 19 │───── Analog 10 (Slider 3)
Analog 6 ─────│ 7 C6 C10 18 │───── Analog 9 (Slider 2)
Analog 7 ─────│ 8 C7 C9 17 │───── Analog 8 (Slider 1)
─────│ 9 C8 C8 16 │─────
Arduino A0 ───────│10 SIG C7 15 │─────
Arduino Pin 4 ─────│11 S0 C6 14 │───── Arduino Pin 6 (S2)
GND ─────│12 GND C5 13 │───── Arduino Pin 7 (S3)
Arduino Pin 5 ─────│13 S1 C4 12 │─────
GND ─────│14 EN C3 11 │─────
└─────────────────────────────┘
🎛️ Regler-Anschlüsse (Potis & Slider)
Typische Potentiometer/Slider-Verdrahtung
Poti/Slider Multiplexer
VCC ──── Pin 1 (links)
Signal ── Pin 2 (mitte) ──── Kanal Cx
GND ──── Pin 3 (rechts)
Kanal-Zuordnung
Kanal Komponente MIDI-CC Funktion
────────────────────────────────────────────
C0 ── Poti 1 ── CC1 ── Volume Ch1
C1 ── Poti 2 ── CC2 ── Volume Ch2
C2 ── Poti 3 ── CC3 ── Volume Ch3
C3 ── Poti 4 ── CC4 ── Volume Ch4
C4 ── Poti 5 ── CC5 ── Filter 1
C5 ── Poti 6 ── CC6 ── Filter 2
C6 ── Poti 7 ── CC7 ── Filter 3
C7 ── Poti 8 ── CC8 ── Filter 4
C8 ── Slider 1 ── CC9 ── Master Vol
C9 ── Slider 2 ── CC10 ── Crossfader
C10 ── Slider 3 ── CC11 ── Send FX 1
C11 ── Slider 4 ── CC12 ── Send FX 2
⚡ Stromversorgung & Signale
Power Distribution
USB +5V ──┬── Arduino VCC
├── MCP23017 #1 VDD
├── MCP23017 #2 VDD
├── CD74HC4067 VCC
├── Potentiometer VCC (alle)
└── LED-Vorwiderstände
USB GND ──┬── Arduino GND
├── MCP23017 #1 VSS
├── MCP23017 #2 VSS
├── CD74HC4067 GND
├── Potentiometer GND (alle)
├── Button-Switches (alle)
└── LED-Kathoden (alle)
Signal-Integrität
- I2C Pull-Ups: 4.7kΩ zwischen SDA/SCL und +5V
- Button-Debouncing: Software-basiert (50ms)
- Analog-Filtering: Schwellenwert-basiert (±4 LSB)
- LED-Strombegrenzung: 220-470Ω Vorwiderstände
📏 Layout-Empfehlungen
PCB/Breadboard-Layout
[Arduino Pro Micro]
│
│ I2C Bus (kurz halten!)
│
┌──────┴──────┐
│ │
[MCP23017 #1] [MCP23017 #2]
│ │
│ │
[16 Buttons] [4 Buttons]
[16 LEDs] [4 LEDs]
[CD74HC4067]
│
[12 Analog]
[Controls]
Kabel-Längen
- I2C-Bus: < 30cm (kurze Verbindungen)
- Analog-Signale: < 50cm (gegen Rauschen)
- Digital-Signale: < 1m (unkritisch)
- Power: Stern-Topologie vom Arduino aus
Dieser detaillierte Verdrahtungsplan zeigt dir genau, wie alle Komponenten miteinander verbunden werden müssen. Die ASCII-Diagramme geben dir eine klare visuelle Referenz für den Aufbau deines MIDI-Controllers! 🎵