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Usb Relay Board


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

$31.88


SainSmart USB Eight Channel Relay Board for Automation - 12 V

$19.99


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

$28.88


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

$9.97


USB Eight (8) Relay Output Module, Board for Home Automation - 12V

$27.90


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

$18.04


USB Four(4) Relay Module,Board for Home Automation - ver.2 MICROCHIP CDC

$22.00


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

$8.28


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

$19.66


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

$15.06


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

$110.00


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

$16.81


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

$7.91


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

$10.75


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

$33.30


4 Channel USB/Wireless Relay Board(with Temperature DS18B20) - Andriod/iOS

$36.00


KMTronic USB 4 Channel Relay Board, RS232 Serial controlled, PCB

$26.10


USB Relay Controller - RS232 Serial controlled board

$35.00


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

$18.39


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

$10.77


12V 4 Channel USB Relay Board Auto Module +Cable SRD-12VDC-SL-C for Arduino

$10.77


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

$18.94


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

$82.80


8-Channel USB Relay Module 7-30V 10A Soft Auto-control Relay board with cable

$14.23


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

$25.90


8 Channels Controller Mini USB Programmable Control Relay Delay Board Module

$9.75


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

$27.50


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

$36.20


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

$102.60


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

$84.20


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

$9.75


USB Relay Timer Module Board with FT245 - Eight Channels - 24V

$31.25


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

$84.20


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

$15.54


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

$13.69


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

$176.40


8 Channel USB Relay Board

$104.33


KMTronic USB 8 Channel Relay Board DIN rail MICROCHIP CDC

$36.45


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

$8.86


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

$34.70


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

$136.80


Tinysine TSRU430- 4 Channel 30Amp 12V DC USB Relay Board

$62.95


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

$207.00


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

$62.10