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Type: Other 
Built by: Short Circuit Team 
Cost: $300 
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Comments and General Information:

Berta is the winner of the Cleaning contest 2002! It is the prove that the simplest solutions are often the best. It has beaten its competitors with 2D range finders, cameras and a lot of processing power simply because it worked the way it was supposed to :-) using only a front bumper and a microcontroller.


Components and Parts:

The boggie is made of aluminum U-shaped profiles, powered by two DC motors (1.5Amp/12VDC, 5500rpm with 20:1 gearbox). The brain of the robot is 16bit Hitachi microcotroller (14.745 MHz clock, 4kB RAM, 128kB ROM (flash)). The only sensor that this robot utilizes is its front bumper. The cleaning method is based on a random walk algorithm.

More details this robot can be found at






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