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USB 16 CH Relay Switch Module Board for Home Automation | eBay
USB Eight Channel Relay Board for Automation
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2 Channel 5V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control
Amazon.com: SainSmart USB Eight Channel Relay Board for Automation - 12 V : Industrial & Scientific
2 Channel 5V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control
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NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug and Play Suitable for PC Smart Controller: Amazon.com: Industrial & Scientific
2-kanálové programovateľné relé s USB konektorom – Techfun.sk – Naj Arduino shop
2 Channel USB Relay Module - USB miniB
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USB-RLY08-C - 8 channel USB relay , from Devantech for €48.51
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USB 16 CH Relay Switch Module Board for Home Automation | eBay
2-kanálové programovateľné relé s USB konektorom – Techfun.sk – Naj Arduino shop