Analog Devices Inc. EVAL-CN0554-RPIZ Module is a flexible, general-purpose multichannel mixed-signal analog input/output (I/O) module. This module is designed to mount directly on top of a Raspberry Pi, providing this popular single-board computer with an analog input/output interface. The EVAL-CN0554-RPIZ module has three main connectors the 40-pin connector, the 30-pin DAC connector, and the 30-pin ADC connector.