USB Relay Controller Board - 4 Channels for Home Automation
KMtronic Ltd: USB Four(4) Relay Controller
USB Relay Module – 4/8 Channels | USB Digital Output Module
TOSR140 - 4 Channel USB Relay - (Password/Momentary/Latching)
LCUS-4 4 Channel USB Relay Module Smart Switch with Intellig_chinalctech
How to control USB 4 relay board through windows operating system - YouTube
USB Relay 4 Channel Board v2 Programmable PC Computer Control For Smart Home | eBay
4 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
SainSmart 4-channel 5V USB Relay Module for Automation Robotics – SainSmart.com
USB 4 Channel Relay Board
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
Devantech USB-RLY04 - 4 x 16A USB relay | Acroname
TOSR04 - 4 Channel USB/Wireless 5V Relay Module Modules | JSumo.com
4 Channel USB Powered Relay Module With GPIO | Numato Lab
USB Switch Module, Stable Connection Relay Module Switch Convenient PCB Board Production DC 12 V 4 Channel For PC - Walmart.com
5V USB 4 Channel Automation Relay Computer Control for Arduino – diymore
USB 4 Channel Relay Board-FT245RL... - Research Design Lab | Facebook
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
TONKBEEY Relay Module Relay Control Panel with Indicator 4 Way Relay Output USB Interface - Walmart.com
USB 4 Channels (10A) Relay Module, for Home Automation - v2: Amazon.com: Industrial & Scientific
TOSR140 - 4 Channel USB Relay - (Password/Momentary/Latching)
USB Relay
USB Relay Board - High Power USB Relays for Industrial Applications
