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Usb Relay Controller


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

$31.88


SainSmart 16 Channel controller USB HID Programmable Control Relay Module

$19.99


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

$9.76


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

$700.00


8 Channels Controller Mini USB Programmable Control Relay Delay Board Module

$9.75


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

$9.97


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

$8.28


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

$10.99


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

$9.42


DC 5V 8-Channel USB Relay Board Module Computer Control for Home Automation

$18.94


USB Relay Controller - RS232 Serial controlled board

$35.00


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

$66.99


DC 12V 8 Channel Relay Module PC USB Control Switch Free Drive Relay Module ZP*

$15.14


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

$95.00


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

$28.88


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

$79.99


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

$19.18


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

$7.91


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

$14.12


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

$9.75


5V USB 4 Channel Automation Relay Computer Control for Arduino PIC DSP AVR+Cable

$9.59


5V USB Relay Module CH340 USB IOT Intelligent Control Switch 10A 250V

$8.26


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

$15.06


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

$31.25


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

$9.88


8 Channel USB Relay Module Board with LED Indicator Free Driver PC Control

$15.34


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

$16.62


5v 4 Channel USB Relay Module Computer USB Control Switch Free Drive

$15.90


8-Channel USB Relay Module 12V 10A Soft Auto-control Relay Board with Cable

$18.04


DC 5V 8 Channel USB Relay Board Module PC Computer Controller for Arduino

$18.39


12v 4 Channel USB Relay Module Computer USB Control Switch Free Drive

$15.90


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

$8.19


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

$25.99


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

$8.34


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

$111.99


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

$13.96


Free drive / 2- channel 5V usb Relay Module / Computer control switch

$7.03


KMTronic USB 8 Channel Relay Board, RS232 Serial controlled MICROCHIP CDC

$33.30


4 Channel USB/Wireless 5V Relay Module Xbee Remote Control Kit

$94.99


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

$82.80