K70 5V 1 Channel Low Level Trigger Expansion Board Relay Module

SKU: 1941842

0.70 0.63 Piece 0.63 USD

¥ 5.00

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Features:

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

  • Genuine relay Songle;

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

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

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

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

  • There is a normally open and a normally closed contact;

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

Description of the high and low trigger:

  • 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.