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Trackball 15b/c

Trackball 15b/c

prusaprinters

<p>This is a functional zero-button USB trackball. Click with your keyboard or some other way.</p><p>It was made using:</p><ul><li>a 57.2mm billiard ball</li><li>PMW3360 optical sensor</li><li>the PCB from here: <a href="https://github.com/jfedor2/rp2040-pmw3360">https://github.com/jfedor2/rp2040-pmw3360</a></li><li>2.5mm zirconium oxide (or silicon nitride) bearing balls ("b" version)</li><li>KU-B8-OFK (R053010810) ball transfer units ("c" version)</li><li>M3x4 screws for mounting the PCB</li><li>M3x12 flat head screws for assembling the case</li><li>a USB cable</li></ul><p>I printed the parts at 0.20mm layer height, they don't need supports.</p>

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