Amazon.com: Diyeeni 4-Channel 12V USB Control Switch Relay Module, Relay Board Computer Smart Switch Controller, PC Relay Module Expansion Board, Relay Board for Automation : Electronics
Module - USB Relay Card Kit - VM8090
Amazon.com: 8-Channel 12V USB Relay Board, 8-Channel 12VDC Type-B USB Relay Board Module Controller for Automation Robotics : Electronics
Devantech USB-RLY82 - 2 Channel USB Relay | Acroname
8-channel 12VDC Type-B USB Relay Board Module Controller Automation Robotics | eBay
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DC 5V USB Relay 2 Channel Programmable Computer Control Power Supply Module for Smart Home Controller Relay Board 250V 10A: Amazon.com: Industrial & Scientific
USB 4 Relay Board for Home Automation - v2
USB Relay
KMtronic Ltd: USB Four(4) Relay Controller
16 Channel USB Relay Module With GPIO And Inputs | Numato Lab
4 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
16-Channel 9-36V USB Relay Module – SainSmart.com
DOACT Type-B USB Relay Board Module Controller 8 Channel 12V For Automation Robotics. - Walmart.com
