PC-I2C/SPI/GPIO/PWM/ADC adapter with USB interface DLN-1
Interface Adapters - Western Design Center | Mouser
KUSB-488B - Keithley - Test Accessory, USB to GPIB Interface Adapter, 2m Cable
Peripheral Interface Adapter - Wikipedia
Devantech USB to I2C Interface Adapter | Acroname
Amazon.com: USB to CAN Interface Adapter, CAN 2 Independent Channels Canbus Analyzer Fully Compatible with ZLG CAN, CAN-Bus Converter with DB9 Canopen Interface Adapter : Industrial & Scientific
USB Interface Adapter – PowerBox-Americas
HP AF628A KVM Console USB Interface Adapter - 1 Pack - USB - Keyboard/Mouse, Video - Newegg.com