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This is the start of a series of mods that you'll be able to hand wire to your builds, whether they be keyboards, Arduinos or Raspberry Pis. They're meant for adventurous tinkerers, and may be a challenge to fit into your builds. If that's up your alley, do check out these components!
Want to get your mouse a little bit closer? You can use this module to make your keyboard better able to emulate mouse movement.
This trackball was once used on a popular brand of phones. This trackball supports x/y movement and has an RGBW (red/green/blue/white) LED underneath it to light up the ball.
Want to add feedback to scroll actions? The trackball breakout pairs well with the DRV2605L Linear Actuator Haptic Breakout.
This module was developed by Pimoroni, a DIY electronics company based in the United Kingdom.
- Mini trackball with click button
- RGBW LEDs beneath trackball for illumination
- Moulded plastic trackball casing
- Mounting holes
- Nuvoton N76E003AQ20 MCU
- I2C interface (address 0x0A/0x0B (cut trace))
- 3.3V or 5V compatible
- Reverse polarity protection
- Compatible with all models of Raspberry Pi, and Arduino
- Python library
- Trackball breakout
- 1x5 male header
- 1x5 female right-angle header
- Dimensions: 25x22x9.5mm
These modules require custom code to run, which means you need to be familiar with QMK to add it to your keyboard. Over time, sample code will become available, but at the moment it is not. If you'd like a solution that's ready out of the box, I recommend not purchasing this addon, as support will be limited.