5V low level trigger 1 Channel Relay Module

  • $1.50

 (0 reviews)
  • Brand: China
  • Product Code: NH-159
  • Availability: 5
  • Weight: 0.10kg
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Product description:

 

1, The module complies with international safety standards, control area load area isolation groove;

 

2, Genuine relay Songle;

 

3, With the power and relay action instructions, pull bright disconnect does not shine;

 

4, When a signal in the signal input terminal, the common terminal and the normally start conduction;

 

5, Microcontroller development board can be used as a module that can be used as a home appliance control;

 

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

 

7, There is a normally open and a normally closed contact;

 

8, Blue KF301 terminals to the line of control is more convenient.

 

Description of the high and low trigger, friends do not understand Take a look at:

 

High level trigger is a trigger voltage between the signal input and ground can be understood as a way of the signal input terminal and VCC cathode short trigger;

 

Low trigger means is the voltage between the signal input terminal and the ground for the OV trigger mode can be understood as a way of the signal input terminal and GND negative short trigger

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Tags: low, level, trigger, channel, relay, module, automation