This is what it looks like in action: My model uses the car's OBD-II port to connect to an Arduino microcontroller, which is programmed to display the car's speed on a 7-segment display.

In order to program your Arduino, you need the Arduino ... signals back to sensors and devices to display some sort of output. The loop code can also connect to, and interact with, the internet.

The official Arduino team has today announced the availability ... You can choose from a wide-ranging of compatible devices and connect them extremely easily thanks to the availability of code ...

[hamblin.joe] wanted to do a simple project for kids along these lines, so whipped up a neat design using analog meters to display the time. The build relies on that old stalwart, the Arduino Uno ...