DeVaSys USB-I2CIO USB-to-I2C with I/O Interface Board ($89.00) : Saelig Online Store
D8000 Series USB Analog and Digital I/O Modules
MCC USB-1808X: High-Speed, High-Precision, Simultaneous USB DAQ Device - Digilent
32616 - USB M-Code I/O Interface Kit
IOIO board gets I/O from an Android device's USB connection
Industrial IoT Wireless USB Gateway/Modem Receiver
MJS Gadgets USB I/O-1 4 Input/Output USB Controlled Relay
Amazon.com: PCI-E to USB 3.2 Expansion Card for Raspberry Pi Compute Module 4 IO Board, 4X USB 3.2 Gen1 Ports PCIe Adapter Card, PCI Express Converter Card Support Powered from PCIe 12V
USB 32-Bit High-Speed Digital I/O Devices - Measurement Computing
KTA-223 USB/RS485 Relay IO Board - DEV-09526 - SparkFun Electronics
USB Communications Module FT232RL ZUSB - store.ncd.io
USB 96-Channel Digital I/O Devices - Measurement Computing
USB 24-Channel Digital I/O Boards - Measurement Computing
HP Flex IO V2 Card - 2 x USB 3.1 Gen1 port - 13L58AA - CPUs - CDW.com
USB-DIO-16H Family Digital Waveform I/O Modules - ACCES I/O Products
USB IO Board - Walmart.com
8 Channel USB GPIO Module With Analog Inputs | Numato Lab
USB mini card with eight digital I/O
MCC USB-1024 Series: 24 Channel Digital I/O USB Devices - Digilent
USB-4750 - 32-ch Isolated Digital I/O USB Module - Advantech
Overview / Features | DIO-0808LY-USB | Digital I/O USB I/O unit 8ch/8ch (isolated 12 - 24VDC) - the Y series | CONTEC
USB IO Hardware
Overview / Features | DIO-0808LY-USB | Digital I/O USB I/O unit 8ch/8ch (isolated 12 - 24VDC) - the Y series | CONTEC
USB-IIRO-16: Four, Eight, and 16 Isolated Input and Form C Relay Output USB Modules - ACCES I/O Products
