Die neueste Kreation des selben Apple Fans, der auch dem iPhone und iPad das Gehen beibrachte:


“For this project, I have developed very simple way to control two servo motors by : using the sound from headphone jack as PWM signal that controls the servo motors! Yes, two servos are powered by miniature 3.7V 110mAh Li-Po battery and control lines are directly connected to headphone jack! Very simple!”

via mashable.com