One day I hope to design a product with quality of a commercial product. I do not feel I can go through the entire process by myself. While I might never be able to do that, I still want to close as much of that gap as possible. This time the exercise was to design a PCB that can charge a 1S Li-Po battery. The design is not a product of my lacking, electronics knowledge. It’s a modified design of the Particle Xenon board. Unfortunately, Particle doesn’t produce these boards anymore. I man...