Alpakka 2

OverviewSpecs

Input

• Single-piece cross dpad.
• 4 Face buttons (ABXY) with Thumb-sense touch surface.
• 4 Select/start buttons.
• 2 High quality thumbsticks.
• 2 Scrollwheels (mouse-like).
• 2 Bumper buttons.
• 2 Swappable triggers (mouse-like click or analog).
• 4 Back buttons.
• [We will investigate using mechanical switches]
• [We will investigate using hall-effect / TMR thumbsticks]

Output

• 1000 hz polling rate wired (~0.5 ms latency).
• Wireless dongle with 2.4 GHz protocol (~2 ms latency).
• OLED 128x64 display for profile preview and config.
• USB-C connector.
• Multi-protocol output:
  • HID mouse.
  • HID keyboard.
  • HID gamepad / DirectInput (+generic steering wheel).
  • XInput gamepad (Compatible with Steam Input).

Firmware

• 12 customizable profile slots in the controller memory.
• Compatible with 100% games and launchers.
• No drivers required.
• Operating System support:
  • Windows 10/11.
  • GNU/Linux (distros with xpad).
  • Android (limited support / experimental).
  • Steam Deck / Steam Machine.

App

• Available on browsers or as PWA native-like app.
• Cross-device mappings (mouse, keyboard, gamepad).
• Long-press and double-press mappings.
• Gyro touch-on and touch-off modes assignable to thumb-sense or any button.
• Gyro steering-wheel and plane-joystick modes.
• Thumbstick deadzone, anti-deadzone, and saturation.
• Thumbstick 4 and 8 button-pad modes.
• Glyphstick and daisywheel keyboard typing modes.
• Many more Ctrl app features.

Internals

• 4 high quality IMU sensors (working in parallel).
• Rechargeable 1200 mAh LiPo battery.
• Raspberry RP2350 microcontroller:
• 150 MHz core frequency.
• 520 KB of SRAM.
• FPU co-processor (floating point unit).
• 2 ARM Cortex-M33 cores.
• 2 RISC-V Hazard3 cores.

*All specs are subject to change