![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
![4 Channel Relay Module, Drive Free PCB 10A 250VAC Diode Freewheeling Protection USB Relay Expansion Board For PC - Walmart.com 4 Channel Relay Module, Drive Free PCB 10A 250VAC Diode Freewheeling Protection USB Relay Expansion Board For PC - Walmart.com](https://i5.walmartimages.com/asr/da6e8dd0-d295-4ddb-8c3c-7172721998f3.c273e1ce95ef1b6a11e3a8867818430a.jpeg)
4 Channel Relay Module, Drive Free PCB 10A 250VAC Diode Freewheeling Protection USB Relay Expansion Board For PC - Walmart.com
![1 Channel Usb Relay 5v Programmable Computer Control For Smart Home 1ch Module Board - Relays - AliExpress 1 Channel Usb Relay 5v Programmable Computer Control For Smart Home 1ch Module Board - Relays - AliExpress](https://ae01.alicdn.com/kf/HTB1LV7zS9zqK1RjSZFpq6ykSXXar/1-Channel-USB-Relay-5V-Programmable-Computer-Control-For-Smart-Home-1CH-Module-Board.jpg)
1 Channel Usb Relay 5v Programmable Computer Control For Smart Home 1ch Module Board - Relays - AliExpress
![Amazon.com: 8CH 12V USB Relay Module Controller FTDI chip Relay Controller Type B USB Relay Board Module Controller for Automation Robotics : Industrial & Scientific Amazon.com: 8CH 12V USB Relay Module Controller FTDI chip Relay Controller Type B USB Relay Board Module Controller for Automation Robotics : Industrial & Scientific](https://m.media-amazon.com/images/I/61p1kfa5AUL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 8CH 12V USB Relay Module Controller FTDI chip Relay Controller Type B USB Relay Board Module Controller for Automation Robotics : Industrial & Scientific
![fosa 5V 16 Channel USB Relay Module Computer Switch Control, USB Control Switch with PCB Board/High Sensitivity Relays - Newegg.com fosa 5V 16 Channel USB Relay Module Computer Switch Control, USB Control Switch with PCB Board/High Sensitivity Relays - Newegg.com](https://c1.neweggimages.com/productimage/nb640/V2U1D210421ZDXYV.jpg)
fosa 5V 16 Channel USB Relay Module Computer Switch Control, USB Control Switch with PCB Board/High Sensitivity Relays - Newegg.com
![1pcs Lcus-1 Usb 5v 1 Channel Relay Module Usb Intelligent Control Switch Serial Relay Module - Relays - AliExpress 1pcs Lcus-1 Usb 5v 1 Channel Relay Module Usb Intelligent Control Switch Serial Relay Module - Relays - AliExpress](https://ae01.alicdn.com/kf/HTB1f0QIEWSWBuNjSsrbq6y0mVXay/1PCS-LCUS-1-USB-5V-1-Channel-Relay-Module-USB-Intelligent-Control-Switch-Serial-Relay-Module.jpg)
1pcs Lcus-1 Usb 5v 1 Channel Relay Module Usb Intelligent Control Switch Serial Relay Module - Relays - AliExpress
![DC 5V 10A 8 Channel Relay Module Micro USB Board With Indicator PC Upp – Sunhokey Electronics Co., Ltd DC 5V 10A 8 Channel Relay Module Micro USB Board With Indicator PC Upp – Sunhokey Electronics Co., Ltd](http://sunhokey.cn/cdn/shop/products/3_16ab7a72-a0d3-410e-946d-f064bec39464_1200x1200.jpg?v=1534753535)