DZS Elec 5V-30V 1 Channel Wilde Voltage 0-24s Adjustable Delay Internal/External Trigger Relay Board with Timer Delay Conduction Delay Circuit Switch with USB to Micro USB Power Line: Amazon.com: Tools & Home
KMtronic Ltd: USB Relay Controller One Channel
Yocto-PowerRelay - Tiny USB relay (SPDT) for switching up to 5A
USB Relay Controller Board - 4 Channels for Home Automation
Relay module 5V - 2 channels for Raspberry PI, Arduino, PIC,AVR
4-Channel USB Relay Board with 6-Channel A/D Interface
6 Channel 12V HID Driverless USB Relay USB Control Switch Computer Control Switch PC Intelligent Control
USB 16 Channel Relay Module - RS232 Controlled
KMtronic Ltd: USB Relay Controller One Channel
USB Relay Controller Board - 4 Channels for Home Automation
USB Eight Channel Relay Board for Automation
Newgoal Zigbee Tuya Smart 4 Channel Smart Relay Module with 433RF Remote Control USB 5V 7-32V Jog/Lock Switch Compatible with Alexa Google Home (Requires ZigBee Hub) - - Amazon.com
Usb Relay Module Pc control 220V/110v switch module Support Modbus ASCII/RTU - allinbest.com
Smart Electronics 5V-30V Micro USB Power Adjustable Delay Relay Timer Control Module Trigger Delay Switch
TSRU430- 4 Channel 30A USB Relay Board
Smart Wifi Relay Switch Universal Module 2CH USB DC5V/7 32V Wireless S – Aideepen
USB Relay Controller - One Channel - PCB
USB Relay Controller - Four Channel
USB 4 Channel Relay/Relay Card - 220V / USB Relay Board - v2 3800159301105 | eBay
12V/220V 8 Channel Relay Shield Control Interface 8 Kanal USB Relais , 15,50 €
SainSmart 4-channel 5V USB Relay Module for Automation Robotics – SainSmart.com
USB Relay Card;4 Relays/Relays 220V/USB Relay Board 3800159300108 | eBay
USB Relay Card;4 Relays/Relays 220V/USB Relay Board - ver.2 | eBay
8-channel 12V USB Relay Module | SainSmart – SainSmart.com
Delay Relay Module, OP/CL/LOP parameters 50mA Timer Relay, stable performance DC 30V/5A, AC 220V/5A Support micro USB 5.0V for Smart Home Engineering Management: Amazon.com: Industrial & Scientific
