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1pcs 5V low level trigger relay module One 1 Channel Relay Module relay expansion board for PIC AVR DSP ARM MCU

41.91 $

699 in stock

Additional information

Power Source

DC

Voltage

5V

is_customized

Yes

Usage

General Purpose

Model Number

5V Relay Module

Theory

standard

Certification

NONE

Origin

Mainland China

Description

This module 5V relay, low level trigger

For the description of the high-level and low-level trigger modes, if you dont understand, please take a look:

High-level trigger refers to the trigger mode in which there is a voltage between the signal input terminal and the ground, which can be understood as a short-circuit trigger mode between the signal input terminal and the positive VCC;

Low-level trigger refers to the trigger mode where the voltage between the signal input terminal and the ground is OV, which can be understood as a way of triggering by a short circuit between the signal input terminal and GND.










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