NXTAPOD – NXT hexapod walker

NXTAPOD1

November 2009: This simple hexapod robot can walk and reverse-turn using just one motor. It can detect obstacles using the ultrasonic sensor. The programming is really simple: the robot steps forward until the Ultrasonic Sensor measures detects a nearby object, then it reverse the motor direction and a clever mechanism allows the backward-turn maneuvre, driving just one row of legs.

Here’s the latch mechanism that does the trick:

lego_escapement_ani

Built with one NXT retail set 8547. You can download the building instructions and the program from the link below. 

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