USB digital I/O device offers reliable data acquisition and control at low price

National Instruments has released a full speed, portable USB 2.0 device for $95, making it the lowest-cost USB digital I/O product in its portfolio. The USB-6501 has been enhanced with 24-digital I/O lines to interface with LEDs, switches, relays and other digital I/O devices. It also includes a 32-bit counter and has build-in, removable screw terminals, eliminating the need for additional connectivity accessories.