Product Parameters

Input: 5VDC

Current: 160MA

Input control signal voltage:

The low-level trigger of this module is valid, and the triggering conditions are as follows

Low level 0-2.5V triggers the relay to work after the load circuit is energized;

High level 3.3-5V triggers the relay to disconnect the load circuit and cut off power.

Load voltage: 250VAC

Load current: 2A

Product Introduction

The normal operating voltage of the module is 5V

After the module is connected to the computer through a serial port, it can be controlled to turn on or off the relay through commands on the upper computer software or serial assistant

MICRO USB interface, which can communicate with other devices through a USB cable or a separate serial port interface on the board

Module number: 2 Relay working current: 250mA

Working voltage: 5V

Serial port baud rate: 9600

Module control frequency: 1000Hz

Pin interface description

TX: Serial interface transmitter

RX: Serial interface receiver

5V: Positive power supply

GND: Power Ground

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