LinkNode R4 ESP-12f ESP8266 WiFi relay controller IoT module

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Introduction

LinkNode R4 is a WiFi relay controller and it is powered by ESP-12f ESP8266 WiFi module. There are 4 relay channels and each channel allows you to control high-power devices (up to 10 A) via the on-board relay. LinkNode R4 can be used to remotely turn lights, fans and other devices on/off. The WiFi interface will allow you to associate the board with your existing WiFi network and send the commands over the network.


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211201004-without pillar-001.jpg

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Product UPC

Product UPC: 713382671484

Features

  • ESP-12f ESP8266 WiFi module
  • 4 Channel relays，supporting:
    • 277V AC， 10A
    • 125V AC， 12A
  • 5V DC power
  • Two work modes:
    • Program via UART
    • Boot from flash
  • 4 indiator LEDs

LinkNode R4 Diagram

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Control logic

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How to use Android APP to control LinkNode R4

LinkNode R4 is an open source 4-Channel relay controller which is powered by the ESP8266 WiFi SoC.

Linker Nord R4.jpg

The following will introduce how to use Android APP to control the LinkNode R4.

Steps

1. Install Android and iOS APP

  • if your equipment is iphone/ipad,you can get the app form appstore and name is "LinkNode Relay".

2.Login LinkSpriteIO

  • If you never register an account on LinkSpriteIO, please enter Email and your password, then click the REGISTER button
  • If you have an account on LinkSpriteIO, please enter Email and your password, then click the SIGN IN button

LinkNode R4 1.png

3. Go to Relay device list

  • Click the plus icon on the upper right quarter to add a new LinkNode R4.

LinkNode R4 2.png

4.Scan the QRcode

  • Get the device information and register it to your account.

LinkNode R4 3.png

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5.Configure to accece WiFi AP

  • Supply the power for LinkNodeR4, the LinkNode R4 will create a AP called LinkNodeAP. If it can't be detected, switch off your wifi router and try again.
  • Use your mobile phone to connect this AP
  • Open a browser and enter the ip address 10.0.1.1 and you will see the following website:

LinkNode R4 5.png

  • Click the button configure WiFi
  • Select your WiFi AP which you want to connect and enter your wifi password.
  • If connecting failed, you can go to the same website to configure it again.
  • After that, LinkNode R4 will connect to Linksprite IO via the internet.

6.Control your 4-channel relay

  • control the button on the right side to turn on or off the relays, and you can click the relay's name to change it.

LinkNode R4 6.png

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