1 Way 5v Relay Module Shield

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  • 1. This module conforms to the safety standard, the control area and the load area have isolation slot;
    2. Adopt relay;
    3, with power and relay instructions, pull in light, disconnect not bright;
    4, when the signal input signal, the common end and the beginning will be open;
    5, can be used as MCU development board module, can be used as home appliances control;
    6 、 control DC or AC signal, can control 220V AC load;
    7, there is a normally open and a normally closed contact;
    8, blue KF301 terminal connecting control line is more convenient.
    About the high and low level of the trigger mode, do not understand the friend, please look at:
    High level trigger refers to the triggering mode of voltage between the input terminal and the ground, which can be understood as a way of short circuit triggering between the signal input and the VCC positive pole;
    The low level trigger refers to the trigger mode of the voltage between the input and the ground of the signal OV, which can be understood as a way of short circuit triggering between the signal input and the GND negative pole




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