<h1>Control esp8266 Relay with Android using MIT App Inventor</h1><div>This tutorial, we will learn to build a web server running on Node MCU and build one Android App to control ESP8266 connected relay. To keep this tutorial&nbsp;Control esp8266 Relay with Android using MIT App Inventorsimplified as possible we will divide into parts.<ul><li>What is webserver?</li><li>IOT using HTTP Protocol</li><li>Create ESP8266 web server</li><li>Build ESP8266 Relay Circuit</li><li>Create Android APP to control ESP8266 Connected Relay</li></ul><br></div><h3>What is a web server? (Must Read)</h3>Web server is a special computer, which is fundamentally design to deliver web pages. That can be in two ways, one can be insider your Home/office network (local network or Intranet) or when outside of your local network called Internet.<a href="https://www.myelectronicslab.com/wp-content/uploads/2017/10/Client-Server.png" target="" rel=""><img width="635" alt="http client server" src="https://www.myelectronicslab.com/wp-content/uploads/2017/10/Client-Server.png" height="301" title="Image: https://www.myelectronicslab.com/wp-content/uploads/2017/10/Client-Server.png"></a>So <br>Your Web Application (Google, Yahoo, your website) running on web server on left side. On the other hand Client (browser, mobile phone, hardware device like esp8266).<h3>Different IOT Protocols:</h3>Client will always initiate communication to the Server (called Request) and server will give response back to the client.&nbsp;(This request response method called HTTP protocol, but MQTT, UDP or CoAP are little different protocols).I will create detail tutorial for each IOT protocol soon. But as this is the first Part of IOT protocol, we will only learn about HTTP.At the end we will create on HTTP server in ESP8266 and control LED in our local network.<br><span><br><br>Read Complete Tutorial Here &gt;&gt;&nbsp;<a href="https://myelectronicslab.com/tutorial/control-esp8266-relay-with-android-using-mit-app-inventor/" title="Link: https://myelectronicslab.com/tutorial/control-esp8266-relay-with-android-using-mit-app-inventor/">https://myelectronicslab.com/tutorial/control-esp8266-relay-with-android-using-mit-app-inventor/</a><br><div><br></div></span>

Control esp8266 Relay with Android using MIT App Inventor

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