You've probably heard about Arduino and Raspberry Pi. Both show up in maker forums, both get recommended for electronics projects, and both have passionate communities. So which one do you actually ...

Not every DIY project needs a Raspberry Pi ...

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, risk management, and public policy. Peter began covering markets at Multex (Reuters) ...