SainSmart 4-channel 5V USB Relay Module for Automation Robotics – SainSmart.com
8 Channel USB Relay Module
USB Relay
USB 4 Channel Relay Board
How to control USB 4 relay board through windows operating system - YouTube
USB Relay
ICStation MICRO USB 5V 4-Channel Relay Module USB Control Relay Module ICSE012A - Relay Module - Arduino, Robotics, Raspberry Pi, ESP8266, Learning DIY, Development board ICStation
TOSR140 - 4 Channel USB Relay - (Password/Momentary/Latching)
4-Channel USB Relay Board with 6-Channel A/D Interface
TOSR04 - 4 Channel USB/Wireless 5V Relay Module Modules | JSumo.com
KMtronic Ltd: USB Four(4) Relay Controller
5V USB 4 Channel Automation Relay Computer Control for Arduino – Aideepen
5v 12v 24v 4 Channel Relay Module Computer Usb Control Switch Free Driver Pc Intelligent Controller - Relays - AliExpress
LCUS-4 4 Channel USB Relay Module Smart Switch with Intellig_chinalctech
5V USB 4 Channel Automation Relay Computer Control for Arduino – diymore
TOSR140 - 4 Channel USB Relay - (Password/Momentary/Latching)
Numato 4 Channel USB Relay Module, External Power Supply | AltonaLab
USB Relay for Windows, Mac, and Linux - Industrial Grade
USB Relay 4 Channel Board v2 Programmable PC Computer Control For Smart Home | eBay
Devantech USB-RLY04 - 4 x 16A USB relay | Acroname
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug and Play Suitable for PC Smart Controller: Amazon.com: Industrial & Scientific
Dc 5v 10a 8 Channel Relay Module Micro Usb Board With Indicator Pc Upper Computer Icse014a Software Control - Relays - AliExpress
USB Switch Module, Stable Connection Relay Module Switch Convenient PCB Board Production DC 12 V 4 Channel For PC - Walmart.com
USB/Wireless 5V Relay Module
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
USB Relay Board - High Power USB Relays for Industrial Applications
USB 4 Relay Board for Home Automation - v2
