relay module 5V low / hilow trigger modul relay 1 2 4 8 16 channel

Detail relay module 5V low / hilow trigger modul relay 1 2 4 8 16 channel

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The relay module 5V, low level trigger

product description:

1, the module complies with international safety standards, the control region and load region isolation trench;

2, Song Music authentic relay;

3, with the power supply and relay instructions, pull off, disconnect does not shine;

4, the signal input signal, and the common terminal and the normally open will be turned on;

5, can be used for microcontroller development board module can be used as appliance control;

6, the control of DC or AC signal can control the 220V AC load;

7, there is a normally open and one normally closed contact;

8, blue KF301 terminal connected to the control line is more convenient.

About high and low trigger mode instructions, friends do not understand Take a look:

High voltage trigger finger is triggered, it can be understood as a mode signal input terminal and the VCC short circuit triggered the positive electrode between the signal input and ground;

Low voltage trigger refers to the signal input terminal and the ground is OV trigger modes, can be understood as a way to signal input terminal and GND negative short-circuit triggered

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