Developing for ESP8266 using Arduino IDE

Cut to action steps:

1. Install Arduino IDE
2. Install board support packages to compile for ESP8266

   1. http://arduino.esp8266.com/stable/package_esp8266com_index.json

   2. How and where to do it!
      1. first add that URL in the additional board managers URL
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      2. now goto the board manager and look for ESP8266 and install the package
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         2. 
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      3. compile your first program, don’t upload yet
      4. To upload, if you have NodeMCU, Arduino takes care of turning the boot-loader mode. if any other, then better to put it yourself into boot-loader mode.

Enjoy ESP8266 development!