ESP8266 ESP-12 ESP12 WeMos D1 Mini WLAN Entwicklungsboard NodeMCU Lua Typ-C USB
ab 2,53 €
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. a Micro USB connection. Start Arduino and open Preferences window. you can always get the latest version of it.
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