Today is Pi Day. 3rd month, 14th day. It's not the 314th day of the year; that’s November 10th. We’re talking about old Albert Einstein’s birthday, 3/14. It’s even older than Archimedes’s number (250 ...
Before the Raspberry Pi came out, one cheap and easy way to get GPIO on a computer with a real operating system was to manipulate the pins on an old parallel port, then most commonly used for printers ...
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