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Robotics Open House at the University of Maryland
ByEricaLast Friday the University of Maryland had an open house for their robotics department. This was a free event, including lunch, and very well organized. I had not been able to go to any previous robot competitions at the university so I was eager to see what they had. The university has 18 robotics labs,…
Learning to use heat-shrink wrap
ByEricaWith the ProtoShield wired up and the ribbon cable prepared, the next step for the Speed Vest was attaching the electroluminescent wires to individual strands of the cable. This was rather fun as it was my first chance to try something I’d been interested in for a while, heat-shrink wrapping. I paid my Coolight, my…
Coasterbot moves!
ByEricaWith the electronics done, it was time to go back and work on the chassis. As before, the DVDs are linked with screws. I wanted the servos to be firmly attached. Since we removed the controller units, this left a lot of empty space in the case, allowing for this type of attachment: I still…
FireCheetah returns
ByEricaLast year I participated in the Abingdon firefighting robotics competition, in which a robot must navigate a maze, find a candle, and put it out. We entered two divisions: K-6 where kids are allowed to remote control the robot, and the senior division where all actions must be autonomous. The kids won their division, but…
Potato batteries
ByEricaLaurel went through a rite of passage last week, her first science fair. This was a non-competitive event, an Arts and Technology Night organized by her school. She really wanted to exhibit something so we got her signed up. After looking online for ideas, Laurel chose to do food batteries. Batteries are very simple…
Saving the TiVo
ByEricaA couple of weeks ago, I started hearing some funny noises from our Series3 HD TiVo. Sort of like an engine periodically revving up then stopping. I said to my husband, “The cooling fan is going bad.” But we ignored it and eventually the noise went away. Until, a few days ago, the TiVo got stuck at…