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Amazon.com: SainSmart USB Eight Channel Relay Board for Automation - 12 V : Industrial & Scientific
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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
USB 16 CH Relay Switch Module Board for Home Automation | eBay
USB-RLY08-C - 8 channel USB relay , from Devantech for €48.51
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KMtronic Ltd: USB Relay Controller One Channel
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2-kanálové programovateľné relé s USB konektorom – Techfun.sk – Naj Arduino shop
USB 16 CH Relay Switch Module Board for Home Automation | eBay
USB 4 Relay controller - thermoregulator with sensor TCN75A
Sinelec Technologies
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USB Relay Controllers with On-Board Analog Inputs and GPIO for Sensors
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2 Channel 5V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control
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Devantech 8 Channel USB Relay Module | Acroname
Amazon.com: SMAKN LCUS-1 type USB relay module USB intelligent control switch USB switch : Electronics
