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Controlling Arduino through the Serial Monitor

http://www.marginallyclever.com/2011/10/controlling-your-arduino-through-the-serial-monitor/

I find I need to tweak parameters in my arduino apps and I don't want to have to upload the code over and over again.  This code snippet lets me open a serial monitor and adjust special parameters "on the fly".

I hope you find it useful.  I use it in every one of my robots!