Here’s a short little post to show something I made a few years ago. It’s a simple, tiny board with a couple of resistors that is used to measure the input voltage. It uses a simple voltage divider to reduce the voltage from the raw input pin and allow the conveniently close analog pin to read it.
I’ve been looking at the maximum current ratings of both wires and traces and have had a hard time finding good numbers. So this is a collection of what I’ve found but limited to the ranges that I normally use. There are lots of very advanced calculators online but I had difficulty finding a nice clear chart. So I hope this helps others or at least helps me next time I need to look it up. Continue reading “Current Capacity of Wires and Traces”