[Rajendra Bhatt] wrote in to share a tutorial ... using LED dot matrix displays. While this subject might be old hat to many out there, his helpful walkthroughs are geared more towards beginners ...

When building Arduino projects for beginners, you'll usually need both input and output sensors. However, you can come across some simple projects like the Blink example that only require an LED ...

Bucking the downward trend [HansLuijten] provides an astoundingly thorough set of LED strip patterns in his comprehensive post titled Arduino LED ... average beginner tutorial on how to setup ...