USB Relay Controller - High Power USB Relays for Industrial Applications
PunchLight Relay SwitchBox USB - Digital Audio Service
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TYPE-C USB Relay Board DC 5V 12V RS232(TTL) PC UART Serial Port Switch – Many Favours
USB Relay Controller - Eight Channel with clips for DIN mount rail
6 Channel 12V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control
USB DC5V 12V 32V Smart Wifi Switch Universal Relay Module 1CH Wireless Switch Timer Phone Remote Control(A) - Walmart.com
USB 4 Relay controller - thermoregulator with sensor TCN75A
5V 12V 24V USB Relay Control Switch 1 2 4 8 Channel Programmable | eBay
4-way computer USB intelligent control switch, drive-free relay module, 12V power management, suitable for home shopping malls
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USB Switch Module, Stable Connection Relay Module Switch Convenient PCB Board Production DC 12 V 4 Channel For PC - Walmart.com
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12V USB Relay 8 CH Channel Programmable Computer Control For Smart Hom – diymore
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 Relay 2 Channel Programmable Computer Control - Dc 12v 8 Channel Relay Control - Aliexpress
Numato 2-channel USB Relay Module w/ External Power Supply - RobotShop
