This article discusses the PCB layout of a power supply circuit that generates a regulated 3.3 V rail from a small solar cell. My goal in this project was to create a very simple, very compact circuit
[i=s]This post was last edited by DavidZH on 2019-5-1 16:06[/i] As an electronics enthusiast, DIY is inevitable. As the saying goes, a good tool is a must. I have been paying attention to an ultrasoni
# Linux calls the dirent structure compilation error solution ##Problem description Because you need to write a code to delete all files in the specified file under the Linux environment, call a heade