1 Channel Relay Module 5V/12V/Low Level Trigger Relay Expansion Board One Way Single Way

VCC:Connect to the positive terminal of 5V power supply (powered by relay voltage)

GND: connected to the negative terminal of 5V power supply

IN: Relay module signal trigger terminal (low level trigger is valid)

High level and low level meaning:

High level triggering refers to a triggering method that uses the positive voltage of VCC terminal to connect with the trigger terminal, when the trigger terminal has a positive voltage or reaches the triggering voltage, the relay will be engaged.

Low level triggering refers to a triggering method that connects the negative voltage of the GND terminal with the trigger terminal, and when there is 0V voltage at the trigger terminal or the voltage is low enough to trigger, the relay will be activated.

Electrical parameters:

Voltage version Static current Operating current Trigger voltage Trigger current

5V 4mA 65mA 0-2V 2mA

12V 5.5mA 42mA 0-4V 3mA

Relay contact capacity: 250V 10A (AC) or 30V 30A (DC)

Product use instructions:

1. Power supply of the module: the power supply should be DC and the voltage should match the voltage of the relay

2. The common terminal of the relay, normally open, normally closed, just a single-pole, double-throw switch, wired as follows

1 Way Relay Module 5V Low Level Trigger Relay Expansion Board One Way Single Way

This module 5V relay, low level trigger

About the high level and low level triggering mode description, do not understand the friends please read it:

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