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Month: October 2012

RS232 on the Raspberry Pi (to a Psion 5)

The Raspberry Pi’s General-Purpose Input/Output (GPIO) connector consists of 26 pins that are a hacker’s delight, allowing for some serious analogue and digital tomfoolery. When drooling over the specs, one thing that surprised me was the inclusion of a basic serial port. This was a lower-powered version of our old…

GCHQ, Bletchley Park and ‘Hollywood Myths’

In a rare public speech given to mark Turing’s centenary, the current head of GCHQ, Iain Lobban, expressed regret at the way Turing was treated after the war whilst praising his achievements and calling out to Universities and other educational institutes that we must “find the next Turings”. This was…