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Ghostbuster Gigameter LED display

by tgoacher, published

Ghostbuster Gigameter LED display by tgoacher Dec 30, 2015
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Summary

Code and circuit to drive a common anode (or cathode if you invert the HIGHs to LOWs and vice versa) 3 digit 7 segment LED display for the Ghostbuster Gigameter from an Arduino Nano.
Nothing other than power, the Nano and a display are needed.
The Gigameter also features some other LED effects, I will be publishing these driven from a second Nano ASAP.
Use with an Arduino Nano 328.

The software picks a random number between 0-999 and seeks to it from its current value, slowing down as it approaches the target value.

The display is from here:
http://www.aliexpress.com/item/Big-Sale-20pcs-1-2-3-4-bit-5pcs-per-size-Common-Anode-Positive-Digital-Tube/32328282849.html
but the code allows any display to be easily made to work.

Ignore 10mmcube.stl as I seem unable to publish publicly unless a stl file is included.

Video of it in action:
https://www.youtube.com/watch?v=hO0Lbys6lBY

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