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Visual definition of Pi (3.14), diameter, radius, and other circle vocab, as well as visual aides in learning math formulas for circles.

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The aim of this year's competition is to produce innovations that will improve the lives of people who have conditions that limit their ability t o do things the rest of us take for granted. Inventions could range from technology which helps athletes win a medal in the Paralympics, aids visual impairment or learning difficulties, to those which uses music therapy to help mental health. http://www.paconsulting.com/events/raspberry-pi-competition/#here

Remember when computer paper used to look like this? LOL! Indeed I do, and not all that long ago it seems to me.

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Arduino Solar Tracker (Single or Dual Axis)

If you’ve installed solar panels on a camper van to provide you with electricity on your camping trip or at home to supplement your electricity usage or take your home completely off grid then you probably know that the panels work the best when they are aligned directly towards the sun. This sounds simple enough, except that the sun moves throughout the day. This is why there are now a number of different mechanisms which work on a range of principles with the purpose of aligning your ...

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