Controllable bristlebot

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[sprite_tm], whose projects we have covered in the past, took the popular bristlebot to an extreme and created a controllable version. A bristlebot consists of a small vibrating motor mounted with a battery on the head of a toothbrush. These micro-robots buzz around randomly, and he attempted to tame them. He used a platform of twin bristlebots and added an optical sensor from a laser mouse and an ATtiny13. The optical sensor is used to determine the relative motion of the robot, so that the motors can be adjusted accordingly. He also has a video of the bot using the sensor to find a mark on the floor and stay within bounds. Although it isn’t as accurate, it acts like a traditional line-following robot.

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Evil Mad Scientist Laboratories turns 2


Evil Mad Scientist Laboratories is celebrating their second anniversary. They say they’re now 20 millicenturies old. To celebrate, they put together their greatest hits from the last year. We enjoyed their bristlebots, candyfabbing, and AVR business cards and hope to see their work for many more years to come.