WeMos D1 ESP8266 ESP-12 Mini WIFI 4M Byte NodeMCU Lua Entwicklungsboard Modul
2,45 €
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). 11 digital input / output pins, all pins have interrupt / pwm / I2C / one-wire.
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