Mindboards

No PWM, it's straight on and off. I wanted to build Stargate ring with the light up chevrons. It would light up each LED in sequence in between motor driving the ring. I already have the script for motor running in random direction for random time. I can easily add one block (motor output or sensor ...

I wanted to add I also have older RCX brick 1.5 that could be pressed in service but I have no way to program it as all of my computers are 64 bits Windows, no serial port, and as I understand the USB tower doesn't work with 64 bits OS. If RCX is better for LED, how would I communicate bvetween RCX ...

I wanted to be able to control 7 or 8 LEDs individually with NXT but a search of this turned up only a $50 device: http://www.hitechnic.com/cgi-bin/commerce.cgi?preadd=action&key=SPR2010 Is there something cheaper? Or maybe cut up a spare NXT cable and use motor wire to control a multiplexer dir...