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8 Channel USB Relay Module
2 Channel Smartphone Bluetooth Relay Kit for Android and iOS – Oz Robotics
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USB relay control, eight channels, bundle, ELECTRONIC-SOFTWARE-SHOP
USB 4 Channel Relay Board
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AR-8 USB Relay Controller - Apps on Google Play
USB 4 Relay Board for Home Automation - v2
Connect the AR-8 Relay Interface to your Android tablet or phone
USB/Wireless 5V Relay Module
USB Relay Controller Board - 4 Channels for Home Automation
1 Channel USB Powered Solid State Relay Module | Numato Lab
USB 8 Channel Relay Board
Amazon.com: USB 16 Channel Relay Board for Automation- DIN Rail Box, 24VDC : Electronics
Connect the AR-2 Relay Interface to your Android tablet or phone
Source 8 Channel 5v 12v USB Relay Board Module Optocoupler LED For Android Home Automation on m.alibaba.com
USB 4 Relay Board controlled by Android Tablet via browser - YouTube
USB Relay for Windows, Mac, and Linux - Industrial Grade
Yocto-PowerRelay-V3 - USB relay (SPDT) for switching mains powered appliances
2/4 Ch Usb Relay Controller Module No Need Driver Switch Control Vb Labview Dll Lib For Linux Android Raspberry Openwrt - Instrument Parts & Accessories - AliExpress
URMC2 2ch USB リレー
