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Christmas clock

Christmas Clock

I modified this random red/green LED scrolling sign to use a SparkCore as a brain. It now tells the time in UTC and .beats.

Since it is red and green, I call it the Christmas Clock. The alternate title is the anti-color-blind clock since I have the background turn on full bright. If you don't like it, you can build your own with the source code from github.

Like most of these displays it is a row-selected shift register. In this case there are separate red and green shift inputs, with a common clock and latch.

The original board was massively overpowered with an Altera FPGA for some reason.

SparkCore Clocks 2015

Last update: November 8, 2020