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Lcus-1 Type Usb Relay Module Electronic Converter Pcb Usb Intelligent Control Switch - Integrated Circuits - AliExpress
USB Relay Board - High Power USB Relays for Industrial Applications
Yocto-PowerRelay-V3 - USB relay (SPDT) for switching mains powered appliances
Devantech 8 Channel USB Relay Module | Acroname
8 Channel USB Relay Module | Numato Lab
USB-RLY16 - ROS Components
KMtronic Ltd: USB Relay Controller One Channel
SH-UR01A USB Relay Controller for Computer and Laptop(1CH) - Walmart.com
USB Relay Controller - One Channel
Control AC bulb with USB Relay module using windows PowerShell Command line - YouTube
USB Relay Controller with 6-Channel I/O - DEV-09669 - SparkFun Electronics
1 Channel USB Relay DC 5V Programmable Module - ElectroPeak
DZS Elec 5V-30V 1 Channel Wilde Voltage 0-24s Adjustable Delay Internal/External Trigger Relay Board with Timer Delay Conduction Delay Circuit Switch with USB to Micro USB Power Line: Amazon.com: Tools & Home
1 Channel USB Relay DC 5V Programmable Module - ElectroPeak
USB Relay Controller - Two Channels
Yocto-Relay - Tiny USB interface with two SPDT relays
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
2 Channel USB Relay Module
USB Relay
USB Relay Controller Board - 4 Channels for Home Automation
8 Channel Relay Module Usb Control | 16 Channel Usb Relay Module - Dc 7v-38v 16 - Aliexpress
1 Channel USB Powered Solid State Relay Module | Numato Lab