DC5v Infrared Human Body Sensor 1 Way Relay Module Delay Adjustable Dual Mode
4,21 €
Users can also develop their own programs by using the burn-in pins. Mode 2: Repeat mode, plug in the jumper cap for mode 2, this mode senses that there are people nearby, the relay will be open until the module does not sense that there are people nearby, the relay will be closed.
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