In Jeremy's lesson 2 with the RGB, I was forced to go and purchase an RGB Led from Radio Shack. I bought #276-008. The problem is that it has a common anode instead of a common cathode. They didn't appear to offer the kind your lesson was requiring. Is there a wok around or better yet, a source to purchase it?
The only difference is that the common voltage for all the LEDs is + instead of -
what that means to your code is instead of outputting a one (HIGH) to turn on the LED, you will output a zero (LOW). and the common pin of the LED will go to +5V instead of 0V
instead of 
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So the significant difference is sending out a LOW to turn on the LED when the common of the LED is HIGH (Common Anode), and sending out a HIGH to turn on the LED when the common is LOW (Common Cathode)
So with very little modification you can adapt the program and simply move the common pin to 5 V instead of 0V. no need to go buy more LEDs
Hope that answers your question
The only difference is that the common voltage for all the LEDs is + instead of -
what that means to your code is instead of outputting a one (HIGH) to turn on the LED, you will output a zero (LOW). and the common pin of the LED will go to +5V instead of 0V
instead of
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<body><font face="arial,helvetica,sans-serif">
<b>Error</b><br><font size="-1">
An general error occurred while processing your request.
</font></font></body></html>
So the significant difference is sending out a LOW to turn on the LED when the common of the LED is HIGH (Common Anode), and sending out a HIGH to turn on the LED when the common is LOW (Common Cathode)
So with very little modification you can adapt the program and simply move the common pin to 5 V instead of 0V. no need to go buy more LEDs
Hope that answers your question
