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Usb Relay Board


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

$29.88


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

$31.25


USB 8 Channel Relay Board - Automation, Robotics - 24V

$31.25


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

$28.88


SainSmart USB Eight Channel Relay Board for Automation - 12 V

$37.44


16 channel relay board. USB or Serial! NIB! Great for RaspberryPi

$50.00


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

$7.45


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

$40.00


USB 16 Channel Relay Module,Board for Home Automation - 12V

$84.20


Modbus RTU USB 16 Channel Relay Module,Board for Home Automation

$84.20


8 Channel USB Relay Board

$105.22


KMTronic USB > RS485 > 40 Channel Relay Board (controller)

$230.00


KMTronic USB > RS485 > 32 Channel Relay Board (controller)

$196.00


USB Relay Board - Four(4) Channels, for Home Automation JQC-3FC/T7 DC5V

$25.90


12V 4-Channel USB Relay Board Automation Module For Arduino with cable

$10.77


KMTronic USB > RS485 > 16 Channel Relay Board (controller)

$114.00


PC USB Four(4) Relay Board JQC-3FC with temperature sensor for Home Automation

$34.70


New 12V 4 Channel USB Relay Board Automation Module with cable for Arduino

$10.79


8 Channels Controller Mini USB Programmable Control Relay Delay Board Module

$9.75


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

$92.00


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

$17.45


4/8Channel CH 5V/12V USB Relay Board Module Optocoupler LED For Arduino Robotics

$17.62


KMTronic USB > RS485 > 8 Channel Relay Board (controller)

$69.00


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

$9.97


PC USB Four(4) Relay Board with temperature sensor TCN75A for Home Automation

$36.20


KMTronic USB > RS485 > 24 Channel Relay Board (controller)

$152.00


USB Four(4) Relay Module,Board for Home Automation

$27.50


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

$15.99


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

$9.75


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

$10.99


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

$10.77