LCUS-4 4 Channel USB Relay Module Smart Switch with Intellig_chinalctech
1 Channel Usb Relay 5v Programmable Computer Control For Smart Home 1ch Module Board - Relays - AliExpress
USB Relay Board - High Power USB Relays for Industrial Applications
4 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
Lcus-1 Type Usb Relay Module Electronic Converter Pcb Usb Intelligent Control Switch - Relays - AliExpress
1 Channel USB Relay DC 5V Programmable Module | ElectroPeak
5V 12V 1/2/4/8 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control|Relays| - AliExpress
Buy 4 Channel USB Relay Module HID No Drive USB Relay for MCU control 24V at affordable prices — free shipping, real reviews with photos — Joom
2 Channel USB Relay Module
USB Relay Controllers with On-Board Analog Inputs and GPIO for Sensors
usb relay controller
DX
USB 4 Relay Board for Home Automation - v2
Buy SainSmart 16-Channel 9-36V USB Relay Module Online in Vietnam. B0793MZH2B
Buy Diyeeni 4-Channel 12V USB Control Switch Relay Module, Relay Board Computer Smart Switch Controller, PC Relay Module Expansion Board, Relay Board for Automation Online in Saint Helena, Ascension and Tristan da
USB 4 Relay controller - thermoregulator with sensor TCN75A