This Lego wheelchair is powered by Mindstorms and can support up to about 200 lbs. (90 Kg). 6 NXT's are used to control the drive motors while a master controls the direction. Each driving NXT has 2 motors and 2 touch sensors for direction, while the master has 4 touch sensors to control direction and 2 motors to switch on the driving touch sensors. Support for Android and Bluetooth is currently being worked on.
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