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http://blog.makezine.com/?p=98982

Another clever trick from the world of electronics — Pulse Width Modulation is a simple method for controlling analog devices via a digital signal. It’s also an efficient way to drive motors, lamps, LEDs, and more.

Collin Cunningham

Born, drew a lot, made video, made music on 4-track, then computer, more songwriting, met future wife, went to art school for video major, made websites, toured in a band, worked as web media tech, discovered electronics, taught myself electronics, blogged about DIY electronics, made web videos about electronics and made music for them … and I still do!


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