Have you ever wanted a Raspberry Pi but thought that £16/$25—roughly three packs of cigarettes—was a little exorbitant for a complete computer capable of running Linux? Well, I have good news: the Raspberry Pi Foundation has just released the Pi Zero, a single-board computer that costs just £4/$5. The Zero isn't just some add-on module or something like that, either—it's a full-fledged member of the Raspberry Pi family.
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