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October '00 Kitplanes Web Page

 

Kitplanes

October

'00

Get The LED Out

Part II

 

KPschthumb.jpg (6094 bytes)
Click on schematic to download (jpg format) Click to download PCB artwork  and schematic (if any)  in Circuitmaker and Traxmaker format.    (zip file)

 

IMAGES (click on image to download)

Dimmer control on left.  Note how much brighter left LED at bottom is than right.  Left is driven with pulsed source and right is just with a simple resistor. The camera flash pretty much wipes out the difference in the LED brightness. Same camera flash problem.
The bright LED drive voltage with a 25% duty cycle. The dim LED drive voltage with about a 5% duty cycle. There is no image 6 this month
There is no image 7 this month There is no image 8 this month There is no image 9 this month
There is no image 10 this month There is no image 11 this month There is no image 12 this month

 

Download The Full Text In Word Format

Download The Parts List In Word Format

Download  The Oopsie Page In Word Format

 

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Jim Weir
jim@rst-engr.com

30 June 2000