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Experimenting with Arduino and magnetic levitation [Project]
posted June 2 2014 13:46.55 by spic0m

Levitating almost anything is still quite exciting, and a good test of the hardware and software skills of any maker. However doing so isn't out of reach, and is demonstrated by Erik MÃ¥nsson who uses an Arduino-compatible board that controls the current through the coil with an N-MOSFET and uses a hall effect sensor to detect the object. The code includes calibration and a clever PID control-loop feedback mechanism to ensure the system runs smoothly.
To review the code and other notes, visit Erik's github page.

[Link: freetronics]

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