TRU COMPONENTS Relay card Component 5 V DC | Conrad.com
Conrad Components 197720 Relay card Component 12 V DC, 24 V DC | Conrad.com
Card Output 4 Relay Na Nc Com 24V 8A Connection USB Software PC 5 V / Dc 4064161039732 | eBay
Neobotix: USBoardUSS5
vintage conrad-johnson products - conrad-johnson
USB Relay Controller Board - 4 Channels for Home Automation
USB Relay Controller Board - 4 Channels for Home Automation
vintage conrad-johnson products - conrad-johnson
USB Relay
Red Amplifier Parts & Components for Universal for sale | eBay
16 Channel 5v Usb Control Switch Usb Control Relay Module Computer Control Switch Board - Integrated Circuits - AliExpress
USB 4 Channel Relay Board
TRU COMPONENTS Relay card Component 5 V DC | Conrad.com
USB Relay Controller Board - 4 Channels for Home Automation
USB 4 Channel Relay Board
USB 4 Channel Relay/Relay Card - 220V / USB Relay Board 3800159300108 | eBay
4 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
USB Relais für 230V/AC - Mikrocontroller.net
4 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
