Relay Boards controlled via USB, IP and Wi-Fi Denkovi A E LTD
Amazon.com: SainSmart USB Eight Channel Relay Board for Automation - 12 V : Industrial & Scientific
USB 8 Channel Relay Board Setup for Transverters and Bit Menu Setup and TX delay — FlexRadio Community
USB 8 Opto-Isolated Digital Inputs Module - Denkovi A E LTD
USB Eight Channel Relay Board for Automation
USB 4 Relay Board for Home Automation - v2
USB 4 Relay Board for Home Automation - v2
1-Wire Eight Channel Relay Board for Home Automation
USB Eight (8) Relay Output Module, Board for Home Automation - 12V | eBay
USB 16 Channel Relay Module - RS232 Controlled
Amazon.com: SainSmart USB Eight Channel Relay Board for Automation - 12 V : Industrial & Scientific
USB Eight Channel Relay Board for Automation
Amazon.com: SainSmart USB Eight Channel Relay Board for Automation - 12 V : Industrial & Scientific
Amazon.com: USB Eight (8) Channel Relay Board for Automation - 24VDC : Electronics
Ethernet I/O Relay Module - SNMP, Web, 12 relays
Amazon.com: 8-Channel DC 12 V Computer USB Control Switch Relay Module USB Switch Controller with Imported High-Performance USB Control Chip : Automotive
USB Eight Channel Relay Board for Automation
SNMP 8 Relay Module for Temperature Measurement LM35DZ with DAEnetIP2v2 - Denkovi A E LTD
1-Wire Eight(8) Relay Module,Board for Home Automation with DIN Rail Box | eBay
USB 16 Channel Relay Module,Board for Home Automation - 12V | eBay
8 Relay Board for your PIC, AVR, ARM, 8051, Arduino or Raspberry PI Project - 5V