I suspect that this topic has arisen before !! (Apologises in advance !!) I'd like to multi-purpose the pins in my current Arduino project. In essence, can I define a pin TWICE and safely use that definition within it's own "enviroment" e.g. int pinPP_nAddrTag = 12; // Parallel port nAddrTag int…

Running out on pins on my Uno ...... !!

Nick_Pyner January 27, 2013, 11:16pm 5

I found it really helps to make up a spreadsheet of your pin assignments and devices.

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