The Arduino IDE provides a sample sketch with a simple program outline in a text window when you first open it. There are also a vast array of code samples under the File->Examples submenu item.

For example, in the vision application, Arduino demonstrated, the 48 MHz clock is converted into 24 MHz, 60 MHz, 100 MHz, and 120 MHz clocks by PLLs. Mix and Match?

As an example of what you can do, image you want to build a custom bench tool. ... The Arduino enumerates as /dev/ttyACM0 or perhaps some other number depending on what else is connected.

Official Arduino Example Tutorials: The Arduino computer software is loaded with tons of examples for you to use in your own code or to run through as a learning experience.

Its particularly an issue with porting over a simple Arduino example, or running the AnalogReadSerial, or DigitalReadSerial examples from the IDE.

Co-founder Massimo Banzi was in New York City for the Maker Faire, and he stopped by Electronic Design’s office to talk about the future of Arduino.