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PICAXE
PIC
Care and Feeding of LEDs
•LEDs are current driven devices
•If you don’t limit current they will burn themselves up
•A current limiting resistor keeps the current down even as the voltage increases
•See TrainElectronics.com articles on LEDs for details!
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www.TrainElectronics.com
 Show engine demo with Cree LED in front – need batteries for this, too #13
SHOW Individual Cree LEDs, too