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Well I spent a couple of hours this weekend seeing if I could get the whiteboard application up and running. For those that know Sheffield a trip to Bardwell Electrical (on Abbeydale Road) got me a bluetooth adapter £8.99, an IR LED 70 p, and a battery container £1.50. (I already have a Wii remote.) So two hours later I have a working interactive screen that members of my family describe as magic. Such is the power of Open Source.

I really liked the technique used in Johnny's short YouTube videos. These are great examples of using video to explain both a practical idea and give the theory in context, no flashy graphics, and a good script.

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