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One Channel 5V Relay Module for Arduino
Color: Red- Quantity: 1- Material: PCB board- One channel relay module- With LED indicates relay status- VCC: Connected 5V- GND: Grounding- IN: Control terminal£¬ high level relay pull£¬ low level relay release£¬ driver current need to over 4mA- COM: Control loop grounding- GND: Grounding- Great for DIY project