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Comment by Doug Walmsley on May 29, 2013 at 9:43am

Forgot to add the information.  installed on my 3D Robotic Hexa-C the following lighting materials.

1. The LED Magician V2.0 -

2. V-LED from

3. LM2596S DC-DC Power Converter -

Project is near finished.  Still have to soldier the 90 degree header pins to the board then I can firmly attached the board to the copter and run it inflight.  If interested, I will be putting together a part list and basic instructions to how you can build your own lighting kit.  Enjoy!

Comment by Doug Walmsley on May 30, 2013 at 7:54am
The V-LEDs depending on color have a maximum of either 350 or 500 mA rating. I designed my LEDs to consume only 100 mA and are extremely bright for my application. These LEDs produce a field of illumination up to 130 degrees which will allow me to see any two LEDs in flight at any time.
Comment by Doug Walmsley on May 30, 2013 at 7:55am
The LED Magician board can handle up to 30 volts and as low as 4.5 volts and is the perfect size for mounting on the rear deck of the Hexacopter. Preliminary tests showed pushing 12 volts through the board was not the issue. However, the out power to the LEDs via 100 Ohm resistors pretty much cooked the resistors. For that reason I decided to step down the power from 12 volts to 5 volts. The installation of the dc-dc power converter mitigated the resistors overheating issue.
Comment by Doug Walmsley on May 30, 2013 at 7:56am
White, Blue, or Green LEDs – 15-17 Ohm ½ watt
Red or Amber LEDs - 27-33 Ohms ½ watt

I ran 17 Ohm on my White, Blue, and Green LEDS with no depreciable illumination difference. The Red and Amber LEDs I used ran 33 Ohms and again no noticeable difference in brightness.
Comment by Doug Walmsley on May 30, 2013 at 8:04am
The DC-DC converter steps down the 12 volts to 5 volts allowing less power to be pushed through the resistors thus allowing me to run the 17 & 33 Ohm on my LEDs with no heat build up.


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