Australian safety requirements 2003

The Dept of Energy Safety

High power LED's 2009
In the last 6 months some huge LED's have been marketed and this one was obtained on eBay for AU$500.

The specifications are impressive with 100W power drain producing 7000 lumens. This is perhaps similar to a HID lamp of 200W or a Halogen lamp of

Luminous comparisons of various sources are here.

Projects:

Comparison with car headlight.

Solar panel and loudspeaker.

Strobe effects

Bicycle headlight.

Focus and burning.

100 W LED street lights