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1CH 1 Channel Relay Module Interface Board Shield For Arduino 5V Low Level Trigger One PIC AVR DSP ARM

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Mua 1CH 1 Channel Relay Module Interface Board Shield For Arduino 5V Low Level Trigger One PIC AVR DSP ARM giá rẻ nhất ở đâu?
: Còn hàng
Nước ngoài
: Shopee.vn
14,500₫

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Giới thiệu 1CH 1 Channel Relay Module Interface Board Shield For Arduino 5V Low Level Trigger One PIC AVR DSP ARM

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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