Pieter P, 08-03-2017 Some time ago, I wrote a Beginner's Guide to Arduino that seems to be very popular, so I decided to create a follow-up: A Beginner's Guide to the ESP8266. That's right, a tutorial on how to use the world's most popular $3 Wi-Fi board. This is going to be a very in-depth tutorial, covering some networking concepts as well. If you're a beginner, and just want to go straight to the more exciting Wi-Fi part, feel free to do so, I included short TL;DR's in the longer, more techni...