NodeMCU Lua ESP8266 ESP-12 WeMos D1 Mini WIFI 4M Byte Entwicklung Board Modul
2,58 €
Open Tools→Board:xxx→Boards Manager and install esp8266 by ESP8266. This is D1 mini, it is a mini WIFI board based on ESP-8266EX. 1 analog input(3.3V max input). Start Arduino and open Preferences window.
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