Amazon.com: Electronics123.com, Inc. USB/RS485 I/O Controller (Relayduino) : Electronics
Advantech - USB-4711A-BE - USB IO Module, 16 Ch Multifunction, DAQ, adsb2, USB-4700 Series - RS
Ocean Controls KTA-223 Relayduino USB/RS-485 IO Module 12 VDC – Scaled Instruments
Digital I O module - USB-OI16 - BMC Messsysteme GmbH - USB / 16 digital inputs / DIN rail mounted
Usb Serial Port Relay | Usb Relay Module 8ch | Rs232 Relay Board | Linux Relay Board - Dc - Aliexpress
USB-1024LS - USB 24-Bit Digital Input/Output Module
WiFi Communications Module with Bluetooth USB MQTT - store.ncd.io
USB-I/O module 8In+8Out OC - TRP-C29U - Elsist
USB IO Module with meaningful and constant device name
USB IO Modules for Data Acquisition and Control - From €79
USB-DIO-32 USB 32-Bit Digital Input/Output Module - ACCES I/O Products
USB-DIO-32I 32-Channel, USB DIO Module Independently Selectable for Inputs or Outputs - Assured Systems
32616 - USB M-Code I/O Interface Kit
USB 24-Channel Digital I/O Devices - Measurement Computing
CM4-IO-BASE-A + USB HDMI Adapter, for Raspberry Pi Compute Module 4 | CM4-IO-BASE-Acce A
B+B Smartworx 8-Ch, 16-Bit, 200 Ks/S Isolated Analog Input Usb 3.0 I/O Module USB-5817-AE | Zoro
32-Channel Isolated Digital I/O USB Data Acquisition Module
Power I/O module, digital analog and USB interface. Xon Electronics - Dispositivi e componenti elettronici elettrici meccanici per automazione e industria
USB-4761-AE | 8-Channel Relay & 8-Channel Isolated Digital I/O USB Data Acquisition Modu by Advantech - L-TronDirect
Amazon.com: waveshare Compute Module IO Board with PoE Feature Development Board for Raspberry Pi CM3 / CM3L / CM3+ / CM3+L,with Ethernet Port,USB Ports,HDMI/DSI/CSI Camera Interface : Electronics
USB Analog Input Module 4/8 Channels | Analog to Digital Conversion
4 Channel DO Remote IO Module (RS485 / USB) from ElectroSoul Technologies on Tindie
