A portable trackball I wanted (ZMK powered, some buttons, fixed ball)

This page summarizes the projects mentioned and recommended in the original post on /r/Trackballs
Zmk mechanical-keyboard Zephyr Bluetooth Wireless

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  • pmw3360-breakout

    Breakout board for PMW3360 optical mouse sensor

    • A core module just consists of nice!nano and a pmw3360 breakout board by jfedor2 (https://github.com/jfedor2/pmw3360-breakout) which is shown in the last picture. (By the way, jfedor2 has a lot of cool custom trackballs based on RPI which provide lots of ideas.) I'm planning to use this module to apply in various setting, and this was the first prototype to replace my Ploopy Nano.

  • zmk

    ZMK Firmware Repository

    • For the firmware, I just replaced the driver of this ZMK PR for a trackball (https://github.com/zmkfirmware/zmk/pull/961) with the PMW3360 driver included in Nordic SDK. Because of the license issue, I think I cannot share the code, unfortunately. To be honest, I don't understand these delicate issues as a non-programmer.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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