I like to share with you a video of my simplebot that can be remote controlled with infrared TV remote. I used modified simplebot_speed example program where I added USB keyboard decoder that reads /dev/input/event files and decodes keycodes. Bot has wifi adapter so I start bot program over network with ssh. I also made PS3 sixaxis remote controlled version (I demonstrate it later) that works over bluetooth - bot has also bt dongle.
I can share the C program source if anybody interested.
Raspberry Pi is powered by USB traveling battery back and NXT motors are powered by 6xAA NiMh.