Welcome to KMtronic Online Electronics Store!
Our products include: Relays, programmers, electronics boards and components.
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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.
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Ethernet WEB controlled relay board
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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.
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LAN DS18B20 WEB Temperature Monitor with ONE Sensor (Basic version)
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Ethernet WEB controlled relay board.
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Ethernet WEB controlled relay board.
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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.
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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.
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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.
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Page Last Update: 05/01/2018
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