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USB 4 Channel Relay Board
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4 Channel USB Relay Module, External Power Supply
Amazon.co.jp: 4 Channel USB Relay Module HID MCU Control No Drive Relay USB Relay - 5V : Industrial & Scientific
Dc 5v 4 Channel 4ch Micro Usb Relay Module Usb Control Controller Relay Board Serial Port 4 Way Communicate With Pc Icse014a - Integrated Circuits - AliExpress
4 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
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5v 12v 24v 4 Channel Relay Module Computer Usb Control Switch Free Driver Pc Intelligent Controller - Relays - AliExpress
4 Channel USB Relay Module (NU-RL40001)
4 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
USB Eight Channel Relay Board for Automation
USB 4 Relay Board for Home Automation - v2
4 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
LCUS-4 4 Channel USB Relay Module Smart Switch with Intellig_chinalctech
8 Channel USB Relay Module, External Power Supply
4 Channel USB Relay Module_ Botland - Robotic Shop
4 Channel USB Solid State Relay Module With GPIO | Numato Lab
4 Channel USB Relay Module (NU-RL40001)
Micro USB 5V LCUS 4 4 Channel USB Relay Module Smart Switch Serial Port BSG|Integrated Circuits| - AliExpress
TOSR04 - 4 Channel USB/Wireless 5V Relay Module Modules | JSumo.com
5V 12V 1/2/4/8 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control|Relays| - AliExpress
4 Channel USB Relay Module_ Botland - Robotic Shop
