![Amazon.com: SMAKN LCUS-1 type USB relay module USB intelligent control switch USB switch : Electronics Amazon.com: SMAKN LCUS-1 type USB relay module USB intelligent control switch USB switch : Electronics](https://m.media-amazon.com/images/I/81t1PPwBdvL.jpg)
Amazon.com: SMAKN LCUS-1 type USB relay module USB intelligent control switch USB switch : Electronics
![Amazon.com: NOYITO 1-Channel USB Relay Module USB Intelligent Control Switch USB Switch (1-Channel USB) : Electronics Amazon.com: NOYITO 1-Channel USB Relay Module USB Intelligent Control Switch USB Switch (1-Channel USB) : Electronics](https://m.media-amazon.com/images/I/7118YFUfXSL.jpg)
Amazon.com: NOYITO 1-Channel USB Relay Module USB Intelligent Control Switch USB Switch (1-Channel USB) : Electronics
![Amazon.com: 8-Channel 12V USB Relay Board, 8-Channel 12VDC Type-B USB Relay Board Module Controller for Automation Robotics : Electronics Amazon.com: 8-Channel 12V USB Relay Board, 8-Channel 12VDC Type-B USB Relay Board Module Controller for Automation Robotics : Electronics](https://m.media-amazon.com/images/I/61RUDWO-iPL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 8-Channel 12V USB Relay Board, 8-Channel 12VDC Type-B USB Relay Board Module Controller for Automation Robotics : Electronics
![Usb Relay 2 Channel Programmable Computer Control Power Supply Module For Smart Home Controller Board Dc 5v 250v 10a - Integrated Circuits - AliExpress Usb Relay 2 Channel Programmable Computer Control Power Supply Module For Smart Home Controller Board Dc 5v 250v 10a - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/HTB1e0veX4WYBuNjy1zkq6xGGpXad.jpg_640x640Q90.jpg_.webp)