Read my complete blog post on the SparkFun site here, published on Aug 15, 2019. I teach Arduino workshops at Tinkermill, our local maker space, to members from 8 years old to 80 years old. Some in my workshop are retired electrical engineers with 50 years of experience and some aren’t sure which end of a soldering iron to use. I find one of the most confusing activities for my students new to Arduinos, electronics…