PCB stands for Printed Circuit Board https://www.elepcb.com/ . It is a flat board made of non-conductive material, usually fiberglass or plastic, on which electronic components are mounted and connected to create a functional circuit. PCBs are used in almost all electronic devices, including computers, smartphones, televisions, and automotive electronics, to provide a platform for electrical connections between components and enable the transfer of electrical signals between them. PCBs are designed using specialized software and are manufactured through a process that involves etching copper,