Prerequisite: If you don’t have Arduino IDE software, please download the latest Arduino IDE from https://www.arduino.cc/en/Main/Software and installed the software in your computer.
Step 1)Install esp8266 support add on.
Open Arduino IDE–>File–>Perferences–>Settings, in Additional Boards Manager URLs, type : http://arduino.esp8266.com/stable/package_esp8266com_index.json , then click Ok
see following graph:
2) In Arduino IDE-> Tools , click Boards Manager
see following picture:
Scroll the Broads Manager screen down to the bottom, you will see A module called “esp8266 by esp8266 Community” (see following picture), select the latest version and click Install
3) After Installation, In Arduino IDE–>Tools–>Boards Manager, you will see a new Board named “WeMos D1 R2 &Mini” as per following picture:
This WeMos D1 WiFi Arduino UNO is the board type for Esp8266 modules.
CPU Frequency：80MHz，Flash Size：4M（3M SPIFFS），Upload Speed：112500
In Tools ->Port select the USB serial port which IDE detected for your ESP8266 module board, now you can load the program code into your ESP8266 module.
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