The web server firmware opens up a ton of possibilities with CGI scripting. When booting up in AP mode, you can even connect the ESP8266 to another access point right from the your browser.

For this example during a session of Sunday night hacking an Adafruit ESP8266 Feather HUZZAH is used to control NeoPixels or a relay. In short, no external server, gateway, service, computer ...

However, that level of control just isn’t possible in the context of the Arduino’s ESP8266WebServer library. ... 42 thoughts on “ ESP8266 Web Server Saves 60% Power With A 1 Ms Delay ” ...