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Worlds Smallest Webserver
Years ago I was fascinated by images of the World's Smallest Webserver next to a matchbox.
Since then things have moved on - HTTP is more complicated now and webpages contain JavaScript.
Below, an mbed-LPC11U24 board running PPP-Blinky serves an HTTP 1.1 webpage to a browser.
This modern ARM-based version of a tiny webserver uses the USB port for both power and communication.
Edit: Someone pointed out that this is smaller: http://hackaday.com/2016/09/03/software-usb-on-the-esp8266/
For more information and/or the code, click on PPP-Blinky below.
Import programPPP-Blinky
Small Internet Protocol Stack using a standard serial port.
Last commit 18 Oct 2020 by 
Nicolas Nackel
If you want to find out more about mbed-enabled hardware go here https://developer.mbed.org/platforms/
If you want to find out more about the mbed online compiler go here https://developer.mbed.org/compiler/