The ESP8266 is a remarkable piece of hardware. What we originally thought — and what was originally marketed as — a simple UART to WiFi bridge with Hayes modem commands has turned into one of the best ...

I run to different places using some off the shelf wifi devices that make their own access point which you connect to. And using a phone app your phone connects to it and it does it's magic over wifi.

Badgelife is the celebration of independent hardware creators, working for months at a time to bring custom electronic badges to conferences around the world. This year at DEF CON, Badgelife is huge.