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Usb Relay Controller


8/16 Channel Controller USB Interface HID Programmable Control + Relay Module

$8.69


MICRO USB 8-channel RELAY MODULE 5V 10A Driver-free PC USB Control

$9.42


LCD Display Digital Time Delay Relay Module 6-30V Control Timer Switch Micro USB

$6.39


SainSmart 8-ch 12 V USB Relay Board Module Controller for Arduino AVR US Stock

$31.88


LCUS-1 Power Converters Type USB Relay Module Intelligent Control Switch

$19.56


5V USB 1 Channel Relay Module Smart Computer PC Intelligent Control Board

$7.91


Portable 8-CH Controller USB HID Programmable Control Relay Module Board

$9.75


8-way 8-Channel DC 12V Relay control board relays Module For AVR ARM Development

$9.97


USB 8 Relay (Switch) Output Module Board Controller - 12V

$31.25


SainSmart 8CH 12V USB Relay Board Controller Module for Arduino AVR USA Ship

$28.88


5V USB Relay 4 Channel Programmable Computer Control Switch For Smart Home

$16.85


8 Channels Controller Mini USB Programmable Control Relay Delay Board Module

$9.75


8-channel 12 V USB Relay Board Module Controller 4 Automation Robotics C9I2

$18.80


12V 4CH USB Relay Module Programmable Computer Control Switch

$16.58


12V 4 Channel USB Relay Module Programmable Computer Control For Smart Home

$12.98


New 4 Channel Programmable For Smart Home 12V USB Relay Computer Control

$15.77


USB Control Relay Board PC Smart Controller USB Control AC 220V Switch Module

$10.77


ESP8266 5V 12V IOT Wifi Relay Module Remote Control Switch Phone APP Smart Home

$7.28


1pc 5V 4-Channel Micro USB Relay Module USB Control Board 2018

$13.69


2 Channel 5V USB Relay Programmable Computer Control Relay for Smart Home

$10.50


5V 4-Channel Driver-Free USB Control Switch Relay Module for Computer

$17.03


MICRO USB 5V 2/4/8 Channel USB Control Relay Module 1 Channel 5-30V Delay Relay

$8.90


SainSmart 16 Channel controller USB HID Programmable Control Relay Mod

$19.99


5V USB Relay 2 Channel Board Computer PC Command Smart Control Switch Controller

$11.38


DC 5V USB Relay Module Computer PC Command Smart Control Switch Controller Board

$7.45


12V 10A 8 Channel USB Relay Module Upper Computer Control Relay Board With Cable

$17.88


5V USB Relay Module 1 Channel Computer Control Relay Switch PC Intelligent

$8.22


5V 16-Channel Relay Module with Optocoupler Low Level Triger+ USB Control Switch

$7.10


8 Channel USB/Wireless 5V Relay Module Bluetooth Remote Control Kit

$66.99


LCUS-1 USB Intelligent Control Switch USB Relay Module CH340

$9.20


LC USB-1 Type USB Relay Module USB Smart Control Switch

$9.88


Usb control relay board / pc intelligent controller / usb control 220V switch

$8.86


LCUS-1 5V USB Relay Module USB Intelligent Control Switch Converter Relay Module

$9.12


1 Channel 5V USB Relay Module Control Switch Computer Control Switch Board

$8.19


USB Relay Controller - RS232 Serial controlled board

$35.00


New 8-Channel USB Relay Module 17-30V 10A Soft Auto-control Relay board

$15.85


DC 5V 8-Channel USB Control Switch Computer Drive Free Relay Module Board

$21.30