ESP8266 Arduino Core - Download

Free download ESP8266 Arduino Core Linux app to run online in Ubuntu online, Fedora online or Debian online

This is the Linux app named ESP8266 Arduino Core whose latest release can be downloaded as It can be run online in the free hosting provider OnWorks for workstations.

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ESP8266 Arduino Core


ESP8266 Arduino Core is the Arduino core for the ESP8266 WiFi chip. It brings support for the ESP8266 chip to the Arduino environment, allowing you to write sketches, use familiar Arduino functions and libraries, and run these directly on ESP8266 without the need for an external microcontroller.

ESP8266 Arduino core comes with libraries that enable it to perform a number of things. It can communicate over WiFi through the use of TCP and UDP; it can set up HTTP, mDNS, SSDP, and DNS servers; and it can perform OTA updates. ESP8266 Arduino core works with SD cards, servos, SPI and I2C peripherals.


  • Allows the use of Arduino functions and libraries and running them directly on ESP8266
  • Can communicate over WiFi using TCP and UDP
  • Can set up HTTP, mDNS, SSDP, and DNS servers
  • Can perform OTA updates
  • Can use a file system in flash memory
  • Works with SD cards, servos, SPI and I2C peripherals

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