Color organ tiki-o’-lantern

tiki

The Halloween parties this weekend are over, but that doesn't mean there's not time for a few more to finish a build before children start knocking on doors tonight. [formori] at Lakehead University wanted to do something spectacular for a pumpkin carving contest, so he and a few other EE students came up with a tiki-o'-lantern with music. The guys at Lakehead figured a color organ flashing … [Read more...]

Christmasqualizer is the next light switch rave

[Kyle] was looking for a way to spice up his boring brick-wall dorm room. The Christmasqualizer he came up with brightens up his room and would make an awesome place for a rave. The strings of lights in [Kyle]'s Christmasqualizer are off-the-shelf Christmas lights. A simple circuit for the 7-band equalizer was built following this article. The build uses an MSGEQ7 equalizer chip takes audio … [Read more...]

Guitar becomes an improved color organ

guitar

[Charles] wanted to put some LEDs in his guitar. He also wanted individual notes to output certain colors, but he couldn't find any projects with tone-based algorithms to convert sound into colors. After about a year of work, his ColorChord guitar was born. Unlike every other color organ build we've seen, the color of a note does not relate to the absolute pitch of the note. Instead, the … [Read more...]

DIY lightning special effects

Lightning-effect-using-camera-flash-units

Halloween may have come and gone but thats no reason not to take a look at this neat little special effects setup.  Basically it uses an analogue circuit to monitor an audio signal and triggers some camera flashes using 5V relays.  The idea is that you can play lightning strikes and other spooky sounds, and the system will trigger camera flashes to coincide with the lightning strikes. … [Read more...]