NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-free Relay Module Plug and Play Suitable for PC Smart Controller - - Amazon.com
USB Relay
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USB DAQ Modules
Buy 5V 2CH PC Intelligent Control USB Relay Module Online | Robu.in
USB-OPTO-RLY88 - 8 optically isolated inputs, 8 relays
USB Relay Controllers with On-Board Analog Inputs and GPIO for Sensors
TSIR04 - 4 Channel Outputs ,4 optically Isolated Inputs USB Relay Module
1 Channel USB Relay DC 5V Programmable Module | ElectroPeak
USB-4761-BE, 8-ch Relay and 8-ch Isolated Digital Input USB Module - Advantech AE
TSIR04 - 4 Channel Outputs ,4 optically Isolated Inputs USB Relay Module
USB-OPTO-RLY816 - 8 optically isolated inputs, 8 x 16A relays
Digital relay module - IA-3128S-U2i-P - Intelligent-Appliance - DIN rail mounted / USB / RS-232
TSIR04 - 4 Channel Outputs ,4 optically Isolated Inputs USB Relay Module
USB Relay Controller Board - 4 Channels for Home Automation
Serial IO Card USB Relay Two Input Two Output IO Serial Relay MES Switch Acquisition Controller ERP|Personal Care Appliance Parts| - AliExpress
USB Relay Controller - High Power USB Relays for Industrial Applications
4-Channel USB Relay Board with 6-Channel A/D Interface
1 Channel USB Relay DC 5V Programmable Module | ElectroPeak
USB Relay
USB relay module with 8 relay outputs - Deditec
USB-Based 8 Relay Output, 8 Isolated Input, Digital I/O System
USB Relay for Windows, Mac, and Linux - Industrial Grade
Relay Boards With I/O :: 8 Channel USB Relay Board W/ISO Input Port and AC Adapter
USB Eight Channel Relay Board for Automation
4 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
16 Channel USB Relay Module With GPIO And Inputs | Numato Lab
