simple MCP4XXX digital potentiometer library
datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/22060b.pdf
History
default isP0 to true
2013-11-27, by jyam [Wed, 27 Nov 2013 18:26:07 +0000] rev 2
default isP0 to true
clarify variable names
2013-11-27, by jyam [Wed, 27 Nov 2013 07:13:25 +0000] rev 1
clarify variable names
initial revision;
2013-11-27, by jyam [Wed, 27 Nov 2013 06:42:37 +0000] rev 0
initial revision;