That's what makes the selfie stick so brilliant, and its designer so totally unimportant. It solves a complex problem—a problem that plenty of major technology companies have failed at solving—with the dumbest and most logical solution out there.

 

Project Ara: a project to build a phone that doesn’t cram everything into the smallest package, but one that lets you pick out and swap every important component.

 

There are a lot of requirements of PCB routing, such as line width/ space, routing method, Copper Polygon, etc.

 

Before designing multi-layer PCB circuit boards, designers need to confirm the circuit boards structure primarily based on the scale of circuit, the size of circuit boards, and the requirements of electromagnetic compatibility (EMC).