Information about PCB

1. What is a PCB?

A PCB(Printed Circuit Board) is the board base that provides mechanical support to the electrically connected components using conductive tracks and pads. A PCB allows signals and power to be routed between physical devices.They come in different dimensions for example, 0.8mm,1.6mm(common) etc. PCB can be single layered, double-layered or multilayered.(photos of both)(top layer bottom layer)