USB IO Board – ODROID
USB digital GPIO I/O extender
USB IO Board — ameriDroid
USB 24-Channel Digital I/O Boards - Measurement Computing
4-Channel Push Notification Contact Closure Input over USB - store.ncd.io
USB IO Board Stick Kit - Electronics-DIY.com
USB 96-Channel Digital I/O Devices - Measurement Computing
USB Communications Module FT232RL ZUSB - store.ncd.io
USB 24-Channel Digital I/O Devices - Measurement Computing
Specifications | DIO-0808LY-USB | Digital I/O USB I/O unit 8ch/8ch (isolated 12 - 24VDC) - the Y series | CONTEC
USB digital GPIO I/O extender
32 Channel USB GPIO Module With Analog Inputs | Numato Lab
USB-FLEXCOM4 Multiprotocol Serial Board - ACCES I/O Products
USB IO-Link Cable for TA Series: Amazon.com: Industrial & Scientific
USB-4750 - 32-ch Isolated Digital I/O USB Module - Advantech
USB 8 Opto-Isolated Digital Inputs Module - Denkovi A E LTD
Specifications | DIO-0808LY-USB | Digital I/O USB I/O unit 8ch/8ch (isolated 12 - 24VDC) - the Y series | CONTEC
X-keys USB General Purpose Input Output Module XK-1502-UHIO14-R
