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For questions about the ESP8266 microcontroller unit, including programming it or using it in an IoT context.

Is a today obsolete, ultra low cost microcontroller from the Chinese company Espressif. Today superseded by its successor, .


  • 32 kB instruction RAM
  • 80 kB data RAM
  • up to 16 MB expernal SPI flash
  • 802.11 Wifi
  • 16 GPIO pin


Code Language (used for syntax highlighting): lang-c