An Arduino library for MCP3551 22bit adc
This library implements the SPI communication to one or more MCP3551 ADC devices using the single mode conversion. Changelog 0.2: Debugged and tested on Rosemount PT100.
Orignal on github (pre MS) Read here: https://forum.arduino.cc/t/rtd-pt100-1000-measurement-library-for-mcp-3551-22bit-adc/160876/4