Add this battery and DC Jack to your 1 inch LED Hula Hoop and enjoy 6 hours of continuous illuminated hooping with only a 1 hour recharge time! That is really fast!
Add this circuit to your hoop and use a single AA battery to power you LEDs. Good for hooping off the grid. Carry a few AA batteries with you and swap them out when needed.
A simple way to shed light on video and photos using any camera with a tripod mount.
Use this Flickr Photo Set to guide you through building this two brightness level Video Light Kit.
Also take a look at the Buy page for background info on the kit