Conrad Components 197720 Relay card Component 12 V DC, 24 V DC | Conrad.com
USB 4 Channel Relay/Relay Card - 220V / USB Relay Board - v2 3800159301105 | eBay
Conrad 393905 4x Relay Board - NI Community
vintage conrad-johnson products - conrad-johnson
USB Relay Controller Board - 4 Channels for Home Automation
Card Output 4 Relay Na Nc Com 24V 8A Connection USB Software PC 5 V / Dc 4064161039732 | eBay
Buy MicroSD card reader module with 5V voltage Botland - Robotic Shop
TRU COMPONENTS Relay card Component 5 V DC | Conrad.com
USB 4 Channel (10A) Relay Output Module,Board for Home Automation: Amazon.com: Industrial & Scientific
USB Relay Controller Board - 4 Channels for Home Automation
vintage conrad-johnson products - conrad-johnson
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug and Play Suitable for PC Smart Controller: Amazon.com: Industrial & Scientific
16 Channel 5v Usb Control Switch Usb Control Relay Module Computer Control Switch Board - Integrated Circuits - AliExpress
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug and Play Suitable for PC Smart Controller: Amazon.com: Industrial & Scientific
TRU COMPONENTS Relay card Component 5 V DC | Conrad.com
USB Relais für 230V/AC - Mikrocontroller.net
USB 4 Channel (10A) Relay Output Module,Board for Home Automation: Amazon.com: Industrial & Scientific
Neobotix: USBoardUSS5
