USBtinyISP is a simple open-source USB AVR programmer and SPI interface. It is low cost, easy to make, works great with avrdude, has both 6 and 10 pin standard ISP cables, is AVRStudio-compatible and tested under Windows XP and MacOS X, it may or may not work with your specific Vista/Windows 7 system, please visit the Adafruit forums before purchase. Using this programmer and avrdude you can program any in-circuit "serial" programmable chip that...

SuperMegaSpecial! Get three SpokePOV kits in one color only, a dongle and 2 magnets! Great setup for 1 wheel. Be sure to read the individual pages about the Kit, Dongle, and Magnet before purchasing, OK?

The spokepov kit comes unassembled and includes electronic parts and circuit board for one basic configuration Road/MTB SpokePOV with 4K of memory (for 4 animation images) and 60 high brightness LEDs (30 on each side). In order to upload images to your SpokePOVs you will need a SpokePOV dongle kit which is not included. You will also need a magnet to attach to your frame that will trigger the SpokePOV. Buy one here or use your own! Available in...

Yow! These things are super powerful. 1/2" diameter, 3/16" thick discs, south side is marked with a red line. Great for use with your SpokePOV Kit. If you have an aluminium frame, use tape/foamstickytape to attach it.