Servo motors are cheap, powerful and easy to control. With the knowledge you gained from this recipe you can build a unit that will push, pull, move or spin elements in the physical world.
Moving an object in the physical world is one of the more powerful examples of physical output. We are used to seeing output such as graphics on a computer screen; but when something moves in our physical environment it creates a different kind of emotional impact.
Projects for inspiration
hayat benchenaa / IDII
Smokebot
by: Nicholas Zambetti , James Tichenor and Vinay Venkatraman
