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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Product UPC

Product UPC: 713382672825

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.

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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.

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4.Scan the QRcode

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

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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:

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  • 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.

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