When you get your hands on an Arduino and think, "Alright, let's build something!", there is a rite of passage that everyone goes through first. That is the "Blink" (making an LED blink on and off).

When it comes to electronic design, breadboarding a circuit is the fun part — the creative juices flow, parts come and go, jumpers build into a tangled mess, but it’s all worth it when the circuit ...