4 2013-02-13 www.fritzing.org SPI controlled dual digital potentiometer by Microchip MCP42xxx SO014 MCP42XXX so014 sparkfun Digital Potentiometer mcp41xxx SPI A0

A1

B0

B1

CS

DI

DO

GND

RST

SCK

SHTDWN

VCC

W0

W1