1.- Describe what LEDs are.
LEDs are semiconductor diodes, electronic devices that permit current to flow in only one direction.
2.-Why is it more efficient ? this LEDs are more efficient because have much longer duration than others.
3.-In what country do we use LEDs? In New York use a lot.
4.-Who uses LEDs ? I've been noticing that a lot of people not people on instructables, but people interested in electronics in generally don't really know about LED's. No one in my science class at school had ever even heard of them.
5.-What devices in home uses LEDs? Light,electronic,decorate and Tv controls