National Instruments NI 9870 4-Port RS232 C Series Serial Module 198850B-01L

National Instruments NI PXI-GPIB Interface Controller Module

National Instruments NI 9472 8-Ch Digital Output Module cDAQ 24V Industrial

National Instruments NI 9411 6-Ch Digital Input Module cDAQ TTL Industrial

NATIONAL INSTRUMENTS NI PXI-6508 DIGITAL I/O MODULE

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

National Instruments NI 9425 32-Ch 24V Sinking Digital Input C Series Module

National Instruments NI PXI-2532 512-Crosspoint Matrix Switch Module