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1 Channel USB Relay DC 5V Programmable Module - ElectroPeak
USB Relay Module for Windows, Linux, Raspberry Pi : 15 Steps - Instructables
USB PowerControl board V2 w/Grove Control - USB to USB solid state rel – SwitchDoc Labs
16-Channel 9-36V USB Relay Module – SainSmart.com
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
USB Eight Channel Relay Board for Automation
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SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM: Usb Relay Board: Amazon.com: Industrial & Scientific
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Industrial 8-Channel Relay Module For Raspberry Pi Pico, Power Supply Isolation, Photocoupler Isolation | Pico-Relay-B
USB Eight Channel Relay Board for Automation
