A lot of people have used ESP8266 to add inexpensive WiFi connectivity to their projects, but [Oscar] decided to take it one step further and program an Arduino over WiFi with the ESP8266.

Despite a wealth of tutorials for setting up and writing code for the ESP8266 WiFi module, there has not been much of anything on programming this cheap wireless module with the Arduino IDE.

The things that an Arduino board can power ... including speed control module, as someone on reddit suggests. “To control the speed of the car he should look up Pulse Width Modulation (PWM).

The system is controlled by the iPhone which talks to the Arduino controller. The iPhone can receive an SMS message that tells the car to start. A perl script running on the iPhone will then send ...