Hardware

Colonel By Robotics

Practical robotics tutorials and projects I created during my time leading the CB Robotics Club at Colonel By Secondary School.


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http://cbrobotics.com

Secret knock door lock

Keys are such a hassle, especially for a hackerspace. So, we designed a door unlock mechanism that would detect a knock pattern on foil tape. It required minimal modification to the door, and allowed quick access in and out. The tutorial is in progress, but here’s a video preview of how it works.


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Nixie tube clock

Stay tuned for a tutorial about building a Soviet-style nixie tube clock. Here’s a sneak peek of the tubes in action.


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Control an IKEA LED light bar with Bluetooth

Have you ever wanted to spruce up your desk lighting arrangement? IKEA LED lights are great (if expensive), but they just have a boring on/off switch. In an hour, you can install an Arduino-based circuit that will control the lights via Bluetooth. So, maybe next time you get an email, you can have your desk light up in all its glory!
Tutorial is in progress…


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Software

Virgin Mobile Minute Checker

Want to know your minutes on Virgin Mobile USA automatically? This Python script will check your remaining minutes on VM’s website and report to you via text message.


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https://gist.github.com/3719183

Misc.

Tech column at Dewey Digest

I write weekly tech columns about everything from comp sci education to 3D printers and quadcopters. I publish many articles on the blog section on this site, but for the latest writings go to Dewey Digest.


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