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Usb Relay Controller


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

$7.10


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

$9.97


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

$7.43


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

$10.50


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

$31.88


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

$31.25


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

$19.24


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

$9.75


SainSmart 16 Channel controller USB HID Programmable Control Relay Module

$19.99


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

$8.19


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

$8.69


PC Computer Smart Control Switch 5V 2 Channel Free Drive USB Relay Module Parts

$10.03


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

$10.99


5V 2-Channel USB Relay Module Computer USB Control Switch Free Driver

$8.51


Micro USB 8-channel Relay Module 5V 10A Driver-free PC USB Control ICSE014A

$8.92


USB Relay Module USB Intelligent Control Switch USB Switch DC 5V 2 Channel

$8.34


8 Channels Controller Mini USB Programmable Control Relay Delay Module Board

$9.75


IORELAY 24-Channel Relay Controller 10A SPDT GPIO I2C ADC USB Ethernet Fusion

$750.00


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

$28.88


Controller Mini USB HID Programmable Control Relay Module I6S3

$11.41


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

$8.25


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

$16.85


USB 5V 2 Channel PC Computer Intelligent Control Switch Relay Module Controller

$11.82


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

$66.99


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

$95.00


Mini USB 8 Channels Controller Programmable Control Relay Delay Module

$9.75


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

$11.38


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

$8.22


Free drive / 8- channel 12V usb Relay Module / Computer control switch

$14.90


Red 2-Channel 5V Free Drive USB Intelligent Control Switch Relay Module Computer

$12.21


2 Channel USB/Wireless 5V Relay Module Bluetooth Remote Control Kit- Android/iOS

$44.99


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

$13.85


2 Channel USB/Wireless Relay Module (Xbee,Bluetooth,WIFI ) +cell phone control

$25.99


KMTronic USB > RF433MHz > 8 Channel Relay Board (controller)

$87.40


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

$15.29


5V 1 Channel USB Control Switch Relay Module Onboard PC Command Computer Timer

$10.75