1. U8G2 library transplantationThis time, the U8G2 library is ported to continue adding the routine ch2601_rgb_marquee_demo provided by RVB2601 in the previous post. First, add the U8G2 library code t
I was recently designing a UART daisy chain circuit and found that most companies' isolation solutions have shifted from transformers to high-voltage capacitors. But why can capacitors be used as isol