That might explain the ESP8266 web server farm that [Eldon Brown] has built. Yup, a web server farm made from three of everyone’s favorite WiFi dongle, the humble ESP8266.

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.

Since the Wemos D1 can't directly measure internet speed like a PC, it can simulate a speed test by: Downloading a file or data from a server. Measuring the time taken. Calculating speed = size / time ...

Once started, connecting to the IP of the ESP8266 a web page shows the remote control keys. It has been set up for a mobile phone in portrait mode.

A Wi-Fi wireless platform with embedded Linux web server and its integration into a network of sensor nodes for building automation and industrial automation is implemented here. In this system focus ...