1 STCK. D1 Mini NodeMcu 4M Byte Lua WIFI Entwicklungsboard ESP8266 von WeMos
2,41 €
(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. Start Arduino and open Preferences window. after installation). a Micro USB connection.
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