[Marc] and [Xavi] just wrote up a quick tutorial on how to turn the ESP8266 into a WiFi sensor platform that will relay the state of a GPIO pin to the Internet. If you’re going to replicate this ...

First the obvious-in-retrospect fail. [Richard] built a board with a temperature sensor and an ESP8266 module to report the temperature to the Interwebs. If you’ve ever put your finger on an ...

whereas that's what the ESP8266 is built around. It's basically designed to give Wi-Fi chops to whatever it's connected to, turning anything into a wireless sensor. For example, I've seen them ...