Digital I/O Devices from Measurement Computing
Analogue and Digital I/O Using a Simple USB Adaptor Module
USB Digital I/O - USB16PIO
USB-I2C/IO (Rev. C1)
USB 24-Channel Digital I/O Boards - Measurement Computing
USB Digital I/O - USB32RELAY
USB-DIO-16/16 Isolated |Neurotech
USB-IIRO-16 Isolated Relay I/O Board - ACCES I/O Products
USB-II16-OEM Isolated Digital Input USB Board - ACCES I/O Products
USB IO Board Stick Kit - Electronics-DIY.com
Digital I/O Devices from Measurement Computing
BCS IDEAS DIGITAL I/O IO BOARD 8 in/8 out USB to Digital Buffering-MADE IN USA | eBay
I/O Relay Board - 8 Relay Outputs ($57.09) : Saelig Online Store
USB-DIO-32I-E | Acces I/O Digital I/O Module | ITM Components
USB Digital IO Module - 4 Channels €79
USB and IoT I/O Modules | Analog and Digital Data Acquisition and Control
DLP Design USB Product Page
MiSTer Digital IO Board v1.2 with Fan – Buy MiSTer Expansion Boards & Accessories
4 channel USB Relay Board with 16 Digital/Analog I/O USB Data Acquisition Card – Iknowvations, Company | all.biz
USB 96-Channel Digital I/O Devices - Measurement Computing
192317-50 - Ni - Digital I/O Device, USB-6501, 24 I/O
IOIO board gets I/O from an Android device's USB connection
Enclosure, module & terminal board | 16 digital inputs |16 FET outputs - ITM Components
