Just as open-source software code is ... a standard Arduino board, as there's lots of help and tutorials for getting started with them. There's an excellent Arduino beginner's guide here.

[Ben] just sent us this great reference sheet ... of wire gauges, Arduino pinout diagrams, schematic symbols, trace widths for current capacity, and even typical coding functions!

This guide and accompanying video will walk you through everything you need to know to get started with Arduino, and will be updated over time. SEE: All of TechRepublic’s cheat sheets and smart ...