US Digital Datasheets for Serial Adapters

Serial adapters provide one or more serial ports to a host computer. They interface with the host computer via a data bus and add RS232, RS422, RS485 and/or other types of serial ports.
Serial Adapters: Learn more

Product Name Notes
Quadrature to USB Adapter -- QSB The QSB is a low cost USB data acquisition device that can count quadrature and index signals from an incremental encoder, provide digital I/O, perform A/D conversion or act as...
SEI to USB Adapter -- SEI-USB USB 1.1 device communicates at 12 Mbit/sec Compatible with USB 2.0 hubs and host adapters USB drivers are included for Windows Vista / 7 / 8 Supports up to 15...