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nickdigger · 09-11-2013, 05:43 PM

I think it's because the LCD took most of the digital pins, leaving 2 for RX/TX and 2 others free. The original design is basically reading the 3 analog pins as digital.

09-11-2013, 05:43 PM	#3 (permalink)
nickdigger EcoModding Apprentice Join Date: Aug 2009 Location: terra firma Posts: 138 Thanks: 4 Thanked 24 Times in 22 Posts	I think it's because the LCD took most of the digital pins, leaving 2 for RX/TX and 2 others free. The original design is basically reading the 3 analog pins as digital.