May 27, 2008 AT 9:53 pm

Twinkling mail notifier

An LED that lights up when new email has arrived is like the ‘hello world’ of physical computing. And yet, this one – with a small footprint and a dazzling star LED – is particularly touching. It uses a CP2201 serial/usb adapter, but an FTDI cable or breakout board would work just as well. Lots more code, schematics and info at Tom’s site.

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