Pointers
background information to get my head around pointers and refresh my memory on how to use them.
- Here is a starting link, ,http://dm.ncl.ac.uk/adrianpark/2010/11/01/using-pointers-in-arduino-cc-to-pass-variables-by-reference/,
more background information, http://home.netcom.com/~tjensen/ptr/ch1x.htm,
another,http://www.newty.de/fpt/index.html,