1PCS National Instruments NI-9425 SInking Digital Input Module FREE SHIP

National Instruments NI 9403 w/ DSUB 32-Ch, TTL Digital Input / Output Module

National Instruments NI 9425 32-Ch 24V Sinking Digital Output Module

National Instruments NI 9476 32-Channel 24V Sourcing Digital Output Module

1PCS National Instruments NI-9425 SInking Digital Input Module FREE SHIP

National Instruments NI 9422 8-Channel Digital Input Module

1PCS National Instruments NI-9425 SInking Digital Input Module FREE SHIP

1 - National Instruments NI 9476 32-Channel 24V Sourcing Digital Output Module