Do you have a flair for DIY projects? Consider putting together these five Raspberry Pi projects that will immediately add to ...

The Raspberry Pi contains two LED lights: one red and one green. What exactly is each light's function and purpose, and what does the number of flashes mean?

Another component you'll need for a straightforward LED sign build is a Pi HAT. A Pi HAT is a term used to describe additional hardware attached to the top of a Raspberry Pi unit.