![Amazon.com: USB Relay Module, 4-Channel Relay Module Easy Setting 10A Good Stability (5v) : Electronics Amazon.com: USB Relay Module, 4-Channel Relay Module Easy Setting 10A Good Stability (5v) : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61o7S2IHDxL.jpg)
Amazon.com: USB Relay Module, 4-Channel Relay Module Easy Setting 10A Good Stability (5v) : Electronics
![Amazon.com: Taidda USB Relay Module, Sturdy Durable Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Ch340 Control Chip : Electronics Amazon.com: Taidda USB Relay Module, Sturdy Durable Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Ch340 Control Chip : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/5123BvECf2L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Taidda USB Relay Module, Sturdy Durable Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Ch340 Control Chip : Electronics
![Amazon.com: USB Relay,8 Channel 12VDC Type B USB Relay Board Module Controller for Automation Robotics : Industrial & Scientific Amazon.com: USB Relay,8 Channel 12VDC Type B USB Relay Board Module Controller for Automation Robotics : Industrial & Scientific](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71PWd11BK-L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: USB Relay,8 Channel 12VDC Type B USB Relay Board Module Controller for Automation Robotics : Industrial & Scientific
![DC 5V USB Relay 2 Channel Programmable Computer Control Power Supply Module for Smart Home Controller Relay Board 250V 10A : Amazon.ca: Industrial & Scientific DC 5V USB Relay 2 Channel Programmable Computer Control Power Supply Module for Smart Home Controller Relay Board 250V 10A : Amazon.ca: Industrial & Scientific](https://m.media-amazon.com/images/I/51-tGlrz-hL.jpg)