USB Digital Input/Output Module
USB-DIO-32 - Acces I/O Products, Inc.
The USB-DIO-32 is an ideal solution for adding embedded, portable, easy-to-install digital I/O and counter capabilities to any computer with a USB port. The USB-DIO-32 is a USB 2.0 device, offering the highest speed available with the USB bus. It is fully compatible with both USB 1.1 and USB 2.0 ports. The board is plug-and-play allowing quick connect or disconnect whenever you need additional I/O on your USB port.