Man Builds K9 With Raspberry Pi Computer

William Reichardt is a clever fellow. Most people who fancy owning their own K9 would opt to buy one of the models or toys that have been available over the years. Not William. Showing admirable ingenuity, he’s building his own fully operational robot K9, one that will be able to move its ears, nose and tail and fight off Mandrels with a retractable lazer gun. Probably.

As William explains:

There are too many robots that are just a collection of components bolted together without any thought to how they look, aesthetically . Since I am also a Doctor Who fan, I thought of K9. He is strictly cutting edge 70’s technology on the outside but he was also a wheeled base platform with enough room inside for multiple control system projects which fit the bill perfectly.

William is blogging on his progress in this complicated endeavour and, having posted on the construction of the metal mutt’s outer shell, he’s now moved on to the electronics needed to get him moving, blasting and being snooty to the Doctor.

The compact and low-cost Raspberry Pi computer will be an integral part of the systems William is building to get his K9 operational. If you want to know more about what this clever bit of kit can do, head over to Amazon where our very own Kasterborous editor has a handy guide available for a bargain £0.77.


Jonathan has followed the Doctor's adventures since the late Pertwee era, and he isn't about to stop now. A charity worker from Hull, he enjoys following Hull City's fortunes, listening to Bruce Springsteen and collecting all manner of Doctor Who ephemera. He blogs about Doctor Who merchandise at

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