1 channel relay module 24V Relay extension board For Arduino PIC AVR DSP ARM low level trigger

Product Description

1 channel relay module; 5V Relay extension board, high level trigger; 

2010 1 channel relay module; 5V Relay extension board, high level trigger;

This module 5V relay, low trigger

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
 1 relay module wiring

size: 43x17x18.5mm

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