Humans love visualising music, whether it’s in the form of an inscrutable equation drawing squiggles in Winamp, or a simple VU meter pulsing with the beat. This build from [mircemk] is of the latter ...
A lot of electronics wind up in landfills, and when [Playful Electronics] saw an old cash register heading for the dump, he decided to give its VFD display a new life as an Arduino peripheral. While ...
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