It is a floating ball

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It is a proof of concept work. I use a PureData patch to control an Arduino board with PWM output to drive a small computer fan kopfzeilen herunterladen. The load is managed by a ULN2803A IC. The blowing power is not linearly proportional to the numerical value sent from PureData mahjong spiele kostenlos deutsch. It is quite difficult to sustain a floating position in the middle of the air.