USB Relay Controllers with On-Board Analog Inputs and GPIO for Sensors
USB-DIO-32I 32-Channel, USB DIO Module Independently Selectable for Inputs or Outputs - Assured Systems
Amazon.com: Compute Module IO Board with PoE Feature for Raspberry Pi Compute Module (CM3 / CM3L / CM3+ / CM3+L),Raspberry Pi GPIO Header, for Connecting Sorts of Raspberry Pi Hats : Electronics
USB IO Board Kit - Electronics-DIY.com
Compute Module IO Board Plus, for Raspberry Pi CM3, CM3L. Electronic Nuts Supplier of PWM AC Dimmer for Arduino, Raspberry PI, Microcontroller, MCU
Zero Delay IO board USB Encoder PC to Joystick for Arcade 2 player , special optimization for MAME !!!!!!!!!!
IO Board for SC Series/LaserPoint II Vinyl Cutters
ODROID USB IO BOARD, PIC18F45K50-QFN | Pollin.de
USB Digital I/O - USB16PIO
USB Relay Boards: USB Relay Board and modules - Denkovi A E LTD
Amazon.com: Digital IO Board,Professional Manual Soldering V1.2 for Mister FPGA 7 USB Port IO Board for Terasic DE10 Nano Accessories : Electronics
Odroid USB IO Board
Amazon.com: Mini Base Board Accessories Kit for Raspberry Pi Compute Module 4, Include CM4-IO-BASE-B (Full Ver.), USB HDMI Adapter, FFC Cable and USB-A to USB-C Cable, More USB and HDMI Connectors via
Highly versatile USB-IO board enables control and monitoring - What's New in Electronics
USB 24-Channel Digital I/O Boards - Measurement Computing
ZUARFY PCIe Adapter 4x for Raspberry Pi Compute Module 4 CM4 official IO Board USB 3.2 - Walmart.com
USB IO Hardware
Relay Boards With I/O :: 8 Channel USB Relay Board W/IO and DC Power Terminal Block
PCIe TO USB 3.2 Gen1 Adapter, Designed For Raspberry Pi Compute Module 4 IO Board, 4x High Speed USB Ports | PCIe TO USB 3.2 Gen1 (B)
USB IO Board – ODROID
IOIO Android Google IO PIC OTG Board – ElectroDragon
iCP12 - usbStick (USB DAQ, PC Oscilloscope, Data Logger, Frequency Generator, PIC18F2550 IO Board)
USB-IIR04-2SM USB Isolated I/O and Serial Communication Board
USB-II16-OEM: 4, 8, and 16 Isolated Input USB Boards - ACCES I/O Products
Amazon.com: for Raspberry Pi Compute Module 4 IO Board,Mini Base Board (A) Lite Version with Standard CM4 Socket and Color-Coded Raspberry Pi 40PIN GPIO Header Onboard CSI/DSI/FAN/HDMI/USB/RJ45 Connectors : Electronics
USB mini card with eight digital I/O
Vesalia Online - ODROID-U3 USB I/O Board
