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Vectorscope Clock Mod: from Chroma to Chronon

by Lambert Varias

Oscilloclock shop owner Aaron’s latest offering is based on a vectorscope, a special kind of oscilloscope used to analyze the quality of television or video signals. Like its brethren, the digital age has reduced the need for vectorscopes, but Aaron can make them useful again as clocks.

Tek-520A-VectorClock-by-Aaron-Oscilloclockzoom in

Like his other oscilloclocks – one of which we featured last year – the VectorClock uses Aaron’s custom controller board, which draws shapes on the screen by drawing circles, with certain parts of the CRT screen blanked out depending on the desired shape or character. Aaron is proud of this particular build, which is based on a Tektronix 520A vectorscope, because he was able to use nearly all of its exisiting circuits, thus minimizing internal modifications.

Tek-520A-VectorClock-by-Aaron-Oscilloclock-2zoom in

As you’ll see in the demo video below, the VectorClock can display the time and date in a variety of ways. It also has dimmable lighting and can even display words.

It looks like something you’ll find at the Darkwaters General Store. Contact Aaron if you want him to build you a VectorClock. He probably doesn’t accept bottle caps as payment.

[via Hack A Day]

 




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