The LEDs make it easy to tell if the device enumerated correctly. Plus blue LEDs are available at Radio Shack, but
3.6V zeners are not. However this level conversion trick isn't mentioned on the wikidot hardware page.
Why? Do zeners work more reliably than blue LEDs for level conversion?
http://www.sparkfun.com/datasheets/Widg ... ck-v12.pdfStatistics: Posted by yardleydobon — Mon Jun 13, 2011 11:12 pm
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