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Monthly Archives: June 2013
Introducing Abella
Sound and light!
http://www.youtube.com/watch?v=ccJRsY-8vOs
Here is some footage from early hardware development of “Abella,” my Arduino-powered electronic instrument. Yes, it is in a shoebox, and yes, the control knobs are popped through the cardboard. Continue reading
Posted in Electronics, Music
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USB car charger, 2A
The more I’ve learned about switch-mode power supplies, the more amazing it seems to me. So a voltage source across a wide range of values can be converted into another voltage, just by pulsing current though an inductor. Of course, switch-mode power supplies are even easier to set up with ICs like this one:
IC REG BUCK BOOST, 296-17764-5-ND
Posted in Electronics
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Gregory Kimball 