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Std edition PCB Layout Tutorial

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Published Time: 2021-04-12 14:03:46
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Description

In this PCB layout tutorial I hope to tell you how to create a good PCB layout very easily and clearly. I’d like to take EasyEDA PCB design editor as an example because it’s free, easy-to-use and without any installation but it brings you fast PCB design and easier circuit design experience.

Step 1: Convert your schematic to a PCB First you could draw your schematic on EasyEDA editor as below image showed. I’m using this music controlled LED’s schematic for this tutorial:

enter image description here Once you’re done with your schematic, you could click on “Convert project to PCB

enter image description here

Step 2: Placing the components Now it’s time to drag and drop the components to the spots where you want them to be. If you want your PCB to look as clean as possible I suggest placing all components with the same function next to each other, like resistors for example. Also make sure to leave some extra space between components, especially capacitors since the size may vary. Apart from the fact that the size may vary leaving some space will make the soldering a lot easier. Especially when you have to solder SMD components.

Step 3: Drawing a custom outline First, select the “BoardOutline” layer in the layers menu:

enter image description here Click on the current outline (the pink square in your editor) and press delete to get rid of it. Now you can use the PCB tools to draw a new outline:

enter image description here Once you’re done with your outline you can switch back to either the top or bottom layer.

Step 4: Creating a copper area (GND) A very easy way to connect a lot of parts to a signal (mostly used GND) is to create a copper area. You can create a copper area by using the tool “Copper Area” in the Tools menu. Once you’re done drawing just outside of the outline your PCB should look something like this:

enter image description here Now click on the dotted line you just drew and check whether these settings are correct. Once they are correct you can click “Rebuild CopperArea” and your PCB will be filled with copper only connecting to GND.

enter image description here

Step 5: Routing There are 2 different ways to perform this step. The easiest is to use the “Auto Router” function. If you’re creating a PCB where the current is low you can use this method, but if you need different track sizes you’re better off routing the PCB yourself. The Auto Router function can be found here:

enter image description here You should see blue lines all over the PCB. These indicate which component’s pin is connected to which pin.

enter image description here Now use the “Track” tool in the tools menu and click on a pad. Once you move your mouse you should see the blue line moving as well. Make sure not to cross any other tracks or pads and start routing all tracks to the correct pads. You can switch to the opposite layer (top/bottom) if you have to cross lines. If you have to switch to another layer for a SMD component you have to use a “via” which can also be found in the tools menu. A via is basically a copper connection between multiple layers. This is an example of what your PCB could look like (With “Fill Style” None in the copper area properties):

enter image description here

Step 6: Adding holes If you want to mount your PCB onto something it might be useful to add some holes. Click on the “Hole” tool in the tools menu. Now you can set the size of the hole on the right. Make sure you’re using the right units!! Once the size has been set you can click on the spots you want your holes to be. Don’t place holes onto components or tracks. Resize your PCB outline if you need more space to add the holes.

Step 7: Adding Text and Images To add text click on the “Text” or “Image” tool in the tools menu. Place the text where you want it to be and change the text in the right properties menu. You can also change the desired layer in the menu.

Step 8: Finalizing the PCB You can take a look at the finished result by clicking on the “Photo View” button:

enter image description here Once clicked you can find different options like top/bottom side, but also the color of the PCB. Once you’re satisfied with the result you can click on “Fabrication Output” to buy the PCB’s using the service EasyEDA is also providing.

enter image description here

I hope this PCB layout tutorial has helped you improve your PCB designing skills. If you are interested in creating your PCB and learning how to manage EasyEDA PCB design editor, you could check this video and more step by step tutorial.

design drawing
schematic diagram
1 /
PCB
1 /
Empty
ID Name Designator Footprint Quantity
1 TPS62170 U1 DIP 1
2 1u C1 CP_8X13MM 1
3 1m L1 INDUCTOR-1206 1
4 130k R1 R3 1
5 150k R2 R3 1
6 1u C2 C1 1
7 1k R3 R3 1
8 SIP4 P1 HDR1X4 1

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