Step 2Prototype the circuit
I used the Arduino Duemilanov. I attached 3 LED's , 4 switches and began to write the code. The Arduino IDE (which is FREE!!) uses a syntax that is very similar to good old fashioned ANSI C. I started with the modes of signal patterns. I used a case statement to modularize my code. I the added the code for the buttons. The buttons control mode UP/DN and speed UP/DN.
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