After much testing, the treads I was using kept slipping off both sides. The right side more than the left, but still, it was becoming obvious that a complete redesign was necessary. No matter how I arranged the wheels, sprockets, and treads, however, I had the same problem. I probably would have needed tensioners and something to […]

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Per my planned iterations of K-9's designs, I am currently at what I've dubbed K-3. At Phase K-3, the Raspberry Pi and servos are mounted to the chassis and the servos have the sprockets attached to drive the tracks.                               This video […]

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As I am building The Doctor's loyal robotic canine companion K-9, I realized there would be many stages of development, which I have dubbed K-1 through to K-9. Here's how I am planning out these phases. In the notes below, Rpi is the Raspberry Pi 3 Model B I am using for the computer brain. Build a […]

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After much consideration, I decided I'd like to get some goodies along with my Raspberry Pi 3 Model B. The CanaKit Raspberry Pi 3 Ultimate Starter Kit (32 GB Edition) is what I ultimately purchased. It just arrived and I am glad I bought it as it has everything a noob like me needs and […]

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For those who may not have watched Doctor Who, or have only seen recent episodes, here is a bit of explanation from Wikipedia about K-9. K-9 is a robot dog acquired by Doctor Who's title character in the 1977 serial The Invisible Enemy. The first two incarnations of the character travelled alongside the fourth Doctor (portrayed by Tom […]

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As I was deciding what I would use to build K-9's chassis and body framework, the immediate thought I had was to use an Erector set. I never had one while I was young as I preferred LEGOs as a kid. However, it seemed to me to provide ease of construction, versatility of parts, and yet still […]

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After doing research into what makers these days are using to provide the brains for their robots, I have made a decision. I read this great article from Make Magazine comparing the Raspberry Pi to the BeagleBone and the Arduino Uno. Contrary to their advice though, and despite how cute it would be to have a […]

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Hello and welcome to my latest blog. I recently got it into my head that I should like to build a robot with my teenage kids as a way to encourage their interest in STEM projects. I am a huge Doctor Who fan and have raised my kids up proper to be fans as well. […]

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