Older Gizmag readers may remember the Etch A Sketch, a child’s doodling utensil that used aluminium powder and a glass screen to draw horizontal and vertical lines and the Magna Doodle, a similar ...
[Mahavir] sent in his group’s final project for the College of Engineering in Pune (it’s over here). They built an accelerometer based Bluetooth mouse. They ended up creating a mouse that maps ...
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