I have an Uno, and I want to do serial tx/rx.
In order to use NewSoftSerial's interrupt-based rx, do I need to use D2 or D3 (h/w interrupts) for my rx pin?
Or does NewSoftSerial use software interrupts and can I use any digital input pin for rx?
Schematic: http://arduino.cc/en/uploads/Main/arduino-uno-rev2-schematic.pdf
Thanks!
-Dave