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How to create printed circuit Boards

o-leading.com o-leading.com 2017-12-19 19:32:13
PCB as an important electronic components comes into our lives, greatly improving the functionality and quality of our electronic products. Today I will introduce to you how to create printed circuit Boards.
To create a PCB Design you need to draw holes, pads and wires for your circuit. Then you send this drawing to a manufacturer or you etch it yourself. 
Sounds hard? Don't worry, there are many free tools out there that will help you do this.

Starting with schematics
Before you start drawing wires and stuff, you need to know what circuit you want to build. So you need to find or design schematics for your circuit. And you need a PCB design software. Then you are ready to begin the process.
Start by drawing your schematic diagram into the software you have chosen. This is how Pcb design in china begins.

PCB design process
Preparing the board layout
Now it's time to draw the board. You need to transfer your schematic diagram into a drawing of your printed circuit board.
Drawing PCB is artwork. Take your time, and make sure it looks good. Follow the design guidelines for 
drawing circuit boards. 
Most PCB software will have tools that will help you draw your board from the schematic.

Things to think about
Will you put the circuit board in a box? Remember that tall components might need to be laid down flat to fit. With a drawing of your components placed on your board, print it out on a sheet of paper. Use this paper version of your board to test that it will fit the box and that your connectors will fit.

Getting your PCB manufactured
When you are done drawing your board, it is time to get your PCB design ready for manufacturing.
This basically means you need to check your board for errors and convert your board layout to Gerber files. Then, choose a cheap PCB manufacturer and get your board made.