Raspberry Pi computer
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Raspberry Pi comes through Rory Cellan-Jones's letter box

23 April 2012 Last updated at 11:22 BST

After some delays in the production process, the Raspberry Pi project has begun sending out the tiny credit-card sized computer to buyers.

The BBC's technology correspondent Rory Cellan-Jones has just received one through his letter box.

This timelapse video shows just how compact the device is - though users will also need to plug in a power adapter, keyboard and a monitor.