Linux Embedded ESP8266 SDK tutorial - JohnHau/mis GitHub Wiki

https://docs.espressif.com/projects/esp8266-rtos-sdk/en/latest/api-reference/wifi/esp_wifi.html

https://www.espressif.com/sites/default/files/2c-esp8266_non_os_sdk_api_guide_en_v1.5.4.pdf

https://robotzero.one/sending-data-esp8266-to-esp8266/

https://randomnerdtutorials.com/getting-started-with-esp8266-wifi-transceiver-review/

https://randomnerdtutorials.com/esp8266-web-server/

https://readthedocs.com/projects/espressif-esp8266-rtos-sdk/downloads/pdf/release-v3.1/

https://arduino-esp8266.readthedocs.io/en/3.0.0/esp8266wifi/readme.html

https://www.electronicwings.com/arduino/esp8266-wifi-module-interfacing-with-arduino-uno https://forum.arduino.cc/t/using-esp8266-to-send-sensor-data-using-arduino-controller/947038

https://docs.platformio.org/en/stable/platforms/espressif8266.html

https://www.instructables.com/Getting-Started-With-ESP8266LiLon-NodeMCU-V3Flashi/

https://en.wikipedia.org/wiki/ESP8266

https://espressif-docs.readthedocs-hosted.com/_/downloads/esp8266-rtos-sdk/en/release-v3.4/pdf/

https://github.com/esp8266/Arduino/issues/5744

https://github.com/JAndrassy/WiFiEspAT

https://cdn.sparkfun.com/assets/5/1/e/e/5/Spec-16031.pdf

https://randomnerdtutorials.com/esp8266-troubleshooting-guide/