The library is not yet confirmed to work for AD8402 (2 channels). This device has a very similar interface (datasheet comparison) so it should work. If you can ...

The MCP4261 library supports both hardware SPI and software SPI up to 10 MHz. These series of potmeters (rheostats) come in values of 5, 10, 50 and 100 kΩ (±20%). Where other potmeters uses a range of ...