USB Eight Channel Relay Board for Automation
Relay via USB without power supply
8-Channel 5V Relay Module HID Drive Free USB Control Switch Relays Board Power Supply for Electrical Appliance Dropship - AliExpress Consumer Electronics
USB-Based 8 Relay Output, 8 Isolated Input, Digital I/O System
Amazon.com: 5V 16 Channel USB Relay Module Computer Switch Control, USB Control Switch with PCB Board/High Sensitivity : Electronics
32 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
usb relay controller
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16 Channel USB Relay Module With GPIO And Inputs | Numato Lab
16 Channel USB Relay Module With GPIO And Inputs | Numato Lab
KMtronic Ltd: USB Relay Controller Two Channel
USB Digital I/O Devices for High-Voltage and Relay Output
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
USB 4 Relay Board for Home Automation - v2
USB Relay Controller - High Power USB Relays for Industrial Applications
ADU228 USB Solid-State Relay I/O Interface
USB Relay Controller with 6-Channel I/O - DEV-09669 - SparkFun Electronics
2 Channel USB Relay Module HID no Drive USB Relay Computer Control 5V – Shopperr B2B
2 Channel USB Relay Module - Ajitek Tech Solutions Pvt Ltd
5v 12v 24v 4 Channel Relay Module Computer Usb Control Switch Free Driver Pc Intelligent Controller - Relays - AliExpress
diymore Eight-way USB Relay Module Intelligent Control Switch 5V, Support USB Power Supply, Onboard CH340 USB To Serial Control Chip | Lazada PH
Amazon.com: MING-MCZ Durable Micro USB Relay Module 5v 4 Channel Relay Module, Relay Control Panel with Indicator 4 Way Relay Output USB Interface : Office Products
8 Channel USB Relay Module | Numato Lab
