Let's Make Robots!

Any black friday robot sales?

If anyone knows of any savings going on for black Friday on robot parts please post here. If you do not know what black Friday is, it is the Friday after the american holiday of Thanksgiving where a lot of stores and websites have sales. That is 11/27/09.

Multiplexing for my chess robot

Base over Apex showed to me that the "ghost piece" i was talking about could be fixed this way below. 

 Oh yeah i am doing this because my shift registers... well something happened...no im doing this.

How to reduce servo noise?

So it has come to my attention that like motors, servos too need capacitors over the power and signal lines. Well my question is exactly what value capacitor and on what servo pin. I looked online and could not exactly find it, maybe you have a link. I dont know if it is specific to what servo you have but here is the link to mine http://www.hobbypartz.com/topromisesg9.html
This a s flexible solar cell from outsidesupply.com. Its rated at 3v and 25ma, but i get 4v out of it. It comes with free shipping. Its very flexible as you can see … Read more
my robot is using the picaxe18 power board from sparkfun.com. he turns both ways and decides which way is better to go and goes that way   here is my … Read more