Build a Phone-controlled Robot Using Arduino and Twilio
http://www.twilio.com/blog/2012/06/build-a-phone-controlled-robot-using-node-js-arduino-rn-xv-wifly-arduinoand-
Robots have fascinated me for as long as I can remember, beginning with simple circuits and eventually moving on to PIC boards. Luckily for modern evil geniuses, creating basic robots has been made easier than ever by the Arduino and its awesome community of contributors. In this tutorial, I’m going to take you through the ins and outs of building a basic robot that you can wirelessly control from your phone’s dialpad using Twilio, Arduino, Node.js, and the RN-XV WiFly module.