Arduino Tutorial: First look at the WeMos D1 Arduino compatible ESP8266 Wifi Board from Banggood.com - YouTube
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WeMos D1 R2 V2.1.0 WI-FI ESP8266 (ESP-12F)
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Power Supply Wifi Based Esp8266 Board For Wemos D1 R2 For Arduino Ide Nodemcu Compatible Esp-8266ex Module Micro Usb - Integrated Circuits - AliExpress
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WeMos D1 mini pins and diagram
Programming the ESP8266 WeMos-D1R2 Using Arduino Software/IDE : 15 Steps - Instructables
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