5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V for Arduino PIC AVR DSP ARM MCU

This module 5V relay, low level trigger

1 channel relay 5v

product description:

•  The control area and the load area have isolation slots;
•  With power and relay action indication, the light is bright and the light is off;
•  When there is a signal at the signal input end, the common end and the normally open end will be turned on;
•  can be used as a microcontroller development board module, can be used as home appliance control;
• control DC or AC signal, you can control 220V AC load;
•  there is a normally open and a normally closed contact;
•  The blue KF301 terminal is more convenient to connect to the control line.