This converter can be used on any Microcontroller - PIC, Atmel or other which has TTL serial communications. Converter provides two way serial communications signal conversion between the TTL (Transistor Transistor Logic) output to and from a personal computer USB port using virtual serial COM port.

This converter provides two way serial communications signal conversion between the RS485 to and from a personal computer USB port using virtual serial COM port.

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 devices using simple RS232 commands. Relay 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 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.

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.