New WeMos D1 R2 V2.1.0 WiFi Uno Based ESP8266 For Arduino Nodemcu Comp – Sunhokey Electronics Co., Ltd
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Control an Arduino Project Through a Customisable Android / Iphone App With Blynk and Wemos D1: THE 2016 SUPER NOOB FRIENDLY WAY : 5 Steps - Instructables
WeMOS D1 ESP8266 Arduino compatible, its specs and how to use it