Derby Talk

I finished up board #2, using the 220 ohm resistors. I did the calculation on the resistance before buying the 220s, knowing that they would be enough IF the specs on the green LED package were correct. I wired in one red and one green LED 20 minutes ago and everything works correctly -- nothing bl...

I've been consulting GrandPrix Race Central just about every day while my construction of the electronics described on this site is in progress. I'm having a great time building this. The biggest problem so far is that my local Radio Shacks don't have much inventory of components. I've had to hit t...