A perl script running on the iPhone will then send the command to the Arduino. When it receives the start command, the Arduino will ground the wire to the remote start and fire up the car.

We'll outline the basics of the Arduino itself, what the crazy jumble of wires means, and then step through how to use other people's code and schematics to build your first electronics project ...

Randy Sarafan, who also happens to be the Technology Editor over on Instructables, gutted a remote-controlled car and swapped the parts for an Arduino board.

The Arduino code tells us that the valves will be opened as long as the remote up/down channel is above/under given values.

Arduino is making an Internet of Things kit with your help ESLOV's plug-in modules let even first-timers build clever devices.