I'm not satisfied with the LED video lights out there in term of cost versus light output. I bought various LED video light but none live to expectation. So the only alternative is to build one myself. One that can run at 12V by battery belt or AA batteries. Here's what the final product looks like.
Before I start the steps, following is the list of material and tools:
1. On-camera ball-mount : http://nrgresearch.com/oncamballmount.htm
2. LED (MR16) light: http://www.dealextreme.com/details.dx/sku.3264
3. Electrical switch: http://www.radioshack.com/product/index.jsp?productId=2062502
4. Gaffer tape: http://www.amazon.com/Permacell-Gaffer-Tape-Yards-Black/dp/B0002GVVA0/ref=sr_1_5?ie=UTF8&s=electronics&qid=1261347874&sr=8-5
5. Project box: in my case, I use an iPod Touch box.
6. Two plastic zip ties
7. Power source: cig adapter for 12v or 8-AA battery box (http://www.radioshack.com/product/index.jsp?productId=2062242 .
8. Tools: high temperature hot-melt glue gun; solder iron; clear electrical tape; drill wt circular cutting bit; drill bit; any spare box
I have to make sure that there is sufficient clearance for mounting 3 LED bulbs. They will be protruding from the box for better heat dissipation, while providing a minimalist and industrial look.
Onto the second half.
This is what the final product looks like. It takes me about 2.5 hours from start to finish. The top light is independent of the bottom lights. Instead of dimmer, I can choose the blend between 1, 2, or 3 bulbs. I made this so that I can use it with my battery belt which can last more than 6 hours. It will last about 2 on 8-AA batteries. This is cheaper and much brighter than the LitePanels Micro.
Next step, build the barndoors and gel holder el cheapo.
Step 11: Version 2.0
12/20/2009. This is version 2.0 with four LEDs in a row. The box used is a heavy plastic jewelry (necklace) case.