 Steve from Rimstar.org has build an illumination system for his bike. Most of us would use a battery and a light right? Well Steve is using the bike power to generate thousands of volts and spark gap to warn people that a bike is coming. It has the added benefit of keeping people from wandering too close to the front of the bike! “Want to make your bike
This Capacitive Touch LED Table by laura.wagoner.9 uses an arduino to drive a neo pixel strip and uses the capacitive touch library to allow the aluminum trim to become a mode switch. The code is available to you can build your own if you like. She cut a hole in the top of an old table and mounted the electronics under glass. Looks great and the effects are nice.
 xrunner had an old Heath power supply. He changed out the original capacitors to some larger Nichicon units. That would be been enough but the addition of some inexpensive digital displays will make this unit look a bit more modern. Nice inexpensive upgrade but it will ensure this power supply will be usable for many years to come. Via: EEVBlog Forum
