NEW TUTORIAL: Build an ESP8266 Mobile Robot
https://blog.adafruit.com/2016/07/29/new-tutorial-build-an-esp8266-mobile-robot/
_Building your own mobile robot is becoming easier and easier, thanks to excellent ready-to-use robotic platforms. A good example of such platform is the Adafruit Mini Robot Chassis kit, which comes with a nice robot chassis, two servo motors with wheels and a support-wheel. This makes it the perfect base for all your mobile robot projects._
_On the other hand, you now can buy powerful & cheap microcontrollers like the ESP8266 WiFi chip, which is not only easy to use but also comes with onboard WiFi connectivity. This is just the perfect chip to control robots remotely from your computer or mobile device._
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https://blog.adafruit.com/2016/07/29/new-tutorial-build-an-esp8266-mobile-robot/