Acces USB-DIO-32 32 Channel USB Digital Input / Output Module / Four 8-Bit Ports | eBay
X-keys USB General Purpose Input Output Module XK-1502-UHIO14-R
USB DAQ optical isolated digital IO card 16 channels inputs, 16 channel outputs data acquisition module|card card|input output moduleinput module - AliExpress
USB Digital IO Module - 4 Channels €79
I/O Module for industrial and automotive computer systems
D8000 Series USB Analog and Digital I/O Modules • DGH Corporation
Digital I O module - DT9817 series - Data Translation - USB
kontec Contec USB compatible digital input/output module DIO-24DY-USB - want.jp
Plug-and-Play USB DAQ Modules
USB relay module with 8 relay outputs - Deditec
0.9V-5V input, 5V USB Output Boost Regulator Module [CE8301] - US $0.70 : HAOYU Electronics : Make Engineers Job Easier
Mini Usb Daq Data Acquisition Module 0-3.3v Analog 12 Adc, 2 Dac, Digital 8di 8do, Pwm Input Output, Counter, Screw Terminal - Pc Hardware Cables & Adapters - AliExpress
Acces USB-DIO-32 32-Channel, USB Digital Input/Output Module | eBay
32-ch Isolated Digital I/O USB Module with 5 ~ 60 VDC isolated input channels
USB I/O module handles digital, analog, motor - Electronic Products
USB Digital Input Module - 4 and 8 channel / DIN-Rail