The ESP8266 WiFi module is the latest, made interesting because it pretty much doesn’t exist outside China. Why is it cool?

Few devices have hit the hacker/maker word with quite as large a bang as the ESP8266. [Brian] first reported a new $5 WiFi module back in August. Since then there have been an explosion of awesome ...

But instead of just cracking open the device to upgrade it with a second screen, they took the hack several steps further, adding an ESP8266 wifi module and a rechargeable battery without ...