Before I did my project ,I went on to learn knowledge for a special pupose,like What are the common electronic components, How to make a high-quality PCB board and etc.

However, PCB Renewal lets you save resources by not manufacturing new boards when you don’t have to.

He’s put that PCB on GitHub if you’re interested. To start off, JLBPCB is the Chinese clearing house of choice for [Jeremy], and they quoted a very cheap $7.10 for 20 boards.

For hobbyists, small businesses, and engineers in Europe and the United States, prototyping printed circuit boards (PCBs) is ...