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Name: B03C USB 4 Channel 5V 12V 24V Relays Board Intelligent Switching Controller ULN2803 for PC Automation Tasks
SKU: 698566ff71fa1c016805be8f
Availability: OutOfStock

B03C USB 4 Channel 5V 12V 24V Relays Board Intelligent Switching Controller ULN2803 for PC Automation Tasks

4 Channel 12V Computer USB Smart Switch Controller PC Relay Module Expansion Board

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4 Channel Relay Module USB Drive Free DC Relay Board Computer Control PLC Board 3 Operating Modes 5V

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LCUS-4 Four-Channel USB Relay Module USB Smart Control Switch USB Computer Switch

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USB Controlled 4 Channel Relays Module ULN2803 5V 12V 24V Computer Intelligent Switching Controller for Automation

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5V 12V 24V USB Relay Control Switch 1 2 4 8 Channel Programmable Computer Control for Smart Home PC Smart Controller

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