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Raspberry Pi EL Wire Driver

Mmmm. Juicy innards. It's clear at a glance which bit does all the work. The KA228 is a basic 5-dot LED driver that takes a voltage input ( from the microphone in this case ) and lights up the LEDs ( or switches on the EL wire ) depending on the volume level.

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Uploaded on March 31, 2013
Taken on March 30, 2013