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The base of the display - a circular platform supporting a 12V power supply, mains connector and motor speed controller. Attached to the base is a spidery gantry holding a slip ring (from an automotive alternator), a big bearing mount, and a semicircular ridge used by a photointerruptor for synchronisation. Also visible is a motor held by a 3D printed mount.

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The base of the display - a circular platform supporting a 12V power supply, mains connector and motor speed controller. Attached to the base is a spidery gantry holding a slip ring (from an automotive alternator), a big bearing mount, and a semicircular ridge used by a photointerruptor for synchronisation. Also visible is a motor held by a 3D printed mount.
https://files.mastodon.social/media_attachments/files/111/355/043/049/676/422/original/2b126425175c4045.jpeg

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James Brown (ancientjames@mastodon.social)'s status on Saturday, 23-Dec-2023 01:29:02 JST James Brown
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I even remembered to take some pictures before I put it all together.

In conversation about a year ago from mastodon.social permalink