The use of the ESP8266 in the world of IoT

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By Luc Volders
#73315 This project describes in detail how to attach one or more leds and relays to an ESP8266 (NodeMCU version) and control these leds with an Android App.

The story is a tutorial on how to do the hardware, write the C (Arduino) software for the ESP and last but not least write your own App with MIT's App-Inventor.

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Read the full story with all source code here:
https://lucstechblog.blogspot.nl/2018/0 ... relay.html

Have fun,
Luc
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