Quadcopters

Part 1, 2, 3, 4, 5, 6

One of the most attractive, promising technologies for the (very next) future. Actually smaller than a drone, capable of moving in any direction with an amazing precision, quadcopters are made of a body sustained in the air by means of 4 (and sometimes more) propellers. These are mostly powered by high efficiency electrical motors fed by lightweight batteries. Assembly components make use of light material such as aluminium, titanium or even carbon fiber.

But all these elements would be nothing without a controller. Quadricopters include microprocessor based controller which will convert simple commands such as up and down, right or left, forward and reverse plus rotate, into appropriate current to the motors. Depending upon the sophistication of the quadricopters, additional sensors will be read in order to help positioning the quadricopters precisely. In this way, one can find 3 axis accelerometers, GPS receiver in addition to the mandatory radio transreceiver.

Under these conditons, quadricopters are incredibly stable, in spite of wind or initial position: you could throw it like a frisbee and it will very shortly find a stable position. If you still have some doubts about their handiness, check this video:

Are you convinced now? Well you can start thinking at the numerous nice and bad applications which could benefit from such a fancy technology!

And you know what? Some of these are powered by Arduiiiiiiinooooooooo!

Check this one as an example:

Bzzzzzz…. Bzzzzz…. Is it a bee? Nope, it is a quadcopter!

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