This diy sound activated lights circuit turns a lamp ON for a short duration when the dog barks (or a relatively strong sound) giving an impression that the occupants have been alerted. The condenser ...

So I've been seeing stuff about sound-activated neon lights / cold cathodes for use in PC cases and cars. Well, I don't want to light up either my PC or car with these lights, I want to light up my ...

Add Yahoo as a preferred source to see more of our stories on Google. A husky discovered his owner's sound-activated lights and had a field day with them. Pack dogs that communicate with each other ...