Creative Science Centre
Creative Science Centre: Led's
There are so many different types of LEDs on the market (even of the same size and color), how do you tell the difference between them and which one you should use for your particular application? The simple tests descibed here compare...
CK-12 Foundation
Ck 12: Physical Science: Artificial Light
[Free Registration/Login may be required to access all resource tools.] What artificial light is and five different types, and how each type produces visible light.
Creative Science Centre
Creative Science Centre: Chaotic Led Flashers?
An interesting project that produces a set of flashing LED's which might show chaotic fluctuations.