modified 5 years ago

led rgb switch - copy

unlisted

The difference is to witch polarity from the battery the Base of the transistor is connected to. 

NPN is on the Left.
The pins from top to bottom are called
Collector
Base
Emeter 

PNP is on the Right.
The pins from top to bottom are called
Emeter 
Base
Collector

Note: that the emeter and Collector's positions are swapped.

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