You have to add a turn signal to the code. In addition to LEDs in various configurations, the site has some serial bus components, an LCD, a keypad, and a NeoPixel strip.

So, what happens when we send a set of data to the LCD Device? Our resulting sketch will be almost simple. The most inspiring source to make this project comes from a blog post by Chris Parish ...

This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, … ...