A general purpose USB Relay controller for connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC. USB Relay controller allows a PC to control a single external device using simple RS232 commands. Relay is fully powered from the USB bus. Free download USB relay board control software.

A general purpose USB Relay board (controller) for connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC. USB Relay Board allows a PC to control a single external device using simple RS232 commands. Relay is fully powered from the USB bus. Free download USB relay board control software.

A general purpose USB Relay controller for connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC. USB Relay controller allows a PC to control external devices using simple RS232 commands. Relay is fully powered from the USB bus. Free download USB relay board control software.

A general purpose USB Relay board (controller) for connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC. USB Relay Board allows a PC to control devices using simple RS232 commands. Relay board is fully powered from the USB bus.

A general purpose USB Relay board (controller) for connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC. USB Relay Board allows a PC to control devices using simple RS232 commands. Relay is fully powered from the USB bus.

A general purpose USB Relay controller for connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC. USB Relay controller allows a PC to control a single external device using simple RS232 commands. Relay is fully powered from the USB bus. Free download USB relay board control software.

This is discontinued product.

A general purpose USB Relay controller for connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC. USB Relay controller allows a PC to control external devices using simple RS232 commands. Relay is fully powered from the USB bus. Free download USB relay board control software.

The general purpose of the Relay board is connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC.

A general purpose USB Relay controller for connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC. USB Relay controller allows a PC to control a single external device using simple RS232 commands. Relay is fully powered from the USB bus. Free download USB relay board control software.

A general purpose USB Relay controller for connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC. USB Relay controller allows a PC to control a single external device using simple RS232 commands. Relay is fully powered from the USB bus.

Multifunctional 8 Relay board with USB Host interface. USB Host allo to connect to board and control relays using any ready USB Device like Bluetooth, Joystick, Keyboard, Remote control, Mouse, RFID Reader, any HID devices or custom developed modules.

The general purpose of the Relay board is connection to a PC's USB port using Microchip CDC (Virtual COM port). Control devices using your PC.

The general purpose of the Relay board is connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC.

A general purpose USB Relay controller for connection to a PC's USB port using VCP (Virtual COM port). Control devices using your PC. USB Relay controller allows a PC to control external devices using simple RS232 commands. Relay is fully powered from the USB bus. Free download USB relay board control software.