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Show HN: Belshazzar's Clock, luminous paint night clock

There should have been a video here but your browser does not seem to support it. Over a number of years, I’ve experimented with various projects which use luminous paint and ultra violet LEDs to make raster or vector displays. You can see an indifferent video of the very first one here: As these displays were mainly intended as installations at Maker Faires and EMF Camp, they tended to be on the big side, around 2 metres long and 500 mm to 1.

There should have been a video here but your browser does not seem to support it.Over a number of years, I’ve experimented with various projects which use luminous paint and ultra violet LEDs to make raster or vector displays. Well, product specs don’t come a lot clearer or simpler than that, and Rembrandt, showing remarkable prescience and consideration, made a mock up wireframe for me in 1635. The WiFi chip antenna they used, or possibly the matching circuit, was badly designed, which meant they tended to pull a lot of current when doing certain network operations, which resulted in the processor resetting itself.

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