Vintage Display Technology Pt.4: Oscilloscope Clocks

An oscilloscope clock is an eyecatcher for every exhibition, maker-faire or vintage display collection.

Support Roger on Patreon:   / kainkalabs  

It combines the technology of cathode ray tubes controlled by a modern microcontroller to enable the quasi-analog clock display.

There are many kits available like here:
https://www.die-wuestens.de/dindex.ht...
(Supplies also the tubes, the acrylic case and the custom-made transformer. You can seee my model there as a testimonial)

David Forbes created perhaps the most beautiful "true" analog design. The numbers are constructed by short pieces of Lissajous curves. Very clever.
http://www.cathodecorner.com/sc200c.html

Other kit-suppliers:
http://www.dutchtronix.com/ScopeClock...
https://www.sparkfun.com/products/ret...
http://oscilloscopeclocknixiecrt.com/...

You find many more examples just by googling "oscilloscope clock"

Other uses of cathode-ray tubes for displaying numbers and letters:
NIMO-tube: https://en.wikipedia.org/wiki/Nimo_tube
Monoscope-tube: http://lampes-et-tubes.info/ct/ct003....
Charactron-tube: https://en.wikipedia.org/wiki/Charactron

Watch the video in this historical account for the SC-4000:
http://www.chilton-computing.org.uk/a...