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Controla is a compact, tactile controller that brings your most-used shortcuts and actions within reach. It pairs responsive physical controls with a crisp OLED for clear status and feedback, so you always know what layer or mode you’re in. Perfect for switching tools, controlling media, or speeding up repetitive tasks, Controla fits neatly beside your keyboard and adapts to your workflow.
Schematic:
PCB:
CAD:
| Ref | Qty | Part | Description |
|---|---|---|---|
| U1 | 1 | Seeed XIAO RP2040 (SMD) | RP2040 MCU module, SMD mount |
| OLED1 | 1 | 0.91" OLED SSD1306 I2C | Pin order GND-VCC-SCL-SDA |
| ENC1 | 1 | EC11 Rotary Encoder w/ push | Volume / scroll encoder |
| KNOB1 | 1 | Encoder knob | Fits EC11 shaft |
| SW1-SW7 | 7 | MX-style mechanical switches | Keyboard switches |
| KEYCAPS | 7 | Blank DSA keycaps (white) | For MX switches |
| LED1-LED7 | 7 | SK6812 MINI-E RGB LEDs | Per-key RGB lighting |
| D1-D7 | 7 | 1N4148 diodes (TH) | Optional, for key matrix |
| PCB1 | 1 | Custom PCB | Macropad PCB |
| M3x16 | 4 | M3 x 16mm screws | Case mounting |
| HEATSET | 4 | M3 heatset inserts | For 3D printed case |
| CASE | 1 | 3D printed case | No acrylic |
| SOLDER_IRON | 1 | Soldering iron | Required for assembly |
| SOLDER | 1 | Solder wire 0.5mm | For TH + SMD |
| FLUX | 1 | Flux pen | Recommended for SMD |
For the complete, raw BOM file see BOM.csv.
Firmware and microcontroller code are in Firmware/main.py.
PCB/ folderCAD/ folderThis project is open-source.
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