o 3 x 24V @ 2A relay (NC and NO terminals)
o 3 x 12-bit ADC @ 0-24V
o 3 x 24V tolerant buffered inputs
o 3 x 24V tolerant sinking outputs
o 15 x channel indicator LEDs
o 1 x 12-bit ADC @ 0-3.3V
o 3.5mm screw terminals
o Power, Comms, and Warn! LED indicators
o HAT EEPROM
o SPI interface
o Extra GPIO: TX (#14), RX (#15), #25