DIGIPOT click (MIKROE-923)

DIGIPOT Click is an accessory board in mikroBus™ form factor. It features a single-channel digital potentiometer MCP4161 with 8-bit resolution (256 wiper steps) and industry-standard SPI serial interface. The resistance value of the digital potentiometer goes up to 10 kΩ. It features outstanding AC/DC characteristics and low power consumption. It can be used in audio equipment, servo-motor control, battery charging and control, LCD contrast control, programmable filters etc.

http://www.mikroe.com/click/digipot/