Human-Computer Interface Technology 3

Posted on Feb 6, 2014

This week we were in a Southern mood in anticipation of Spring Break, so we initially decided to build a LassoBot. This robot throws a lasso in a circle until an object in the lasso`s path is grabbed on to. At that point, LassoBot reels itself closer to the object it caught. Late in development, we realized that making LassoBot hook itself onto st

Human-Computer Interface Technology 3
Click here to download the full size of the above Circuit.

ationary was extraordinarily difficult given the weakness of the DC motor. At that point, we switched to building a StruggleBot that constantly rotates a lasso in an effort to move forward in a particular direction. The final product was a great success. The StruggleBot is amusing to watch, as it struggles, and it`s a creative means of locomotion. There were a few initial difficulties while creating our robot. Our initial plan to create a lasso bot did not work because the DC motors are too weak to reliably pull the robot along (although it did work in some cases). Additionally, it was difficult to spin up the lasso without it tangling with itself. Other plans for the tumble weed  robot fell through because we found that the Arduino is incapable of adequately powering four servo motors simultaneously as required. A robot that pulls itself up a table/wall by raveling a spool of rope hanging from a point like a cliffhanging robot even attach a person to make it look creative Tumbleweed bot. Looks like a hamster wheel, but has servo motors attached around the edges to roll it forward. Alternatively, have a single servo motor and a counterweight at the center. 1. Set up the potentiometer element to control the rate of rotation of the motor. Connect pin 1 with +5V, pin 2 with A0 on the Arduino, and pin 3 to ground. 2. Set up the motor circuit. To pin 3 on the Arduino, connect a 330-ohm resistor, and connect this to the base...

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