View source for ESim/C2/Laying-Tracks-on-PCB/English




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| style="color:#000000;" | '''Visual cue'''
| style="color:#000000;" | '''Narration'''
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||'''Show Slide:'''

Opening Slide
||Welcome to the '''spoken tutorial '''on “'''Laying Tracks on Printed Circuit Board'''”.
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||'''Show Slide:'''

Learning Objectives
||In this tutorial, we will learn to -
* Place '''tracks''' on '''printed circuit board.'''
* Add dimension and text on '''Silkscreens.'''
* Generate '''Gerber files '''and '''view''' them.

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||'''Show Slide:'''

Systems Requirements
||This tutorial is recorded using -
* '''Ubuntu Linux OS version 16.04'''
* '''eSim ''' version  '''1.1.2'''

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||'''Show Slide:'''

Prerequisites
||To practice this tutorial, you should know to:
* Read a '''PCB netlist.'''
* Draw '''outline''' and setup '''design parameters''' for a '''board'''.
* Move and orient '''footprints'''.


If not, see the prerequisite '''eSim''' tutorials on this website.

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||'''eSim main ''' window:
||I have already opened '''eSim''' on my machine.

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|| '''eSim main ''' window.

|| Let us open example '''7805VoltageRegulator.'''


I have saved this on my '''Desktop'''.

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|| 
||I have already read the '''netlist''', created an '''outline''' and set the '''design parameters'''.
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||Click on '''Open Project '''


Navigate to '''Desktop '''location


Click on'''7805VoltageRegulator '''


Click '''Open'''
||Click on '''Open Project '''from the left toolbar.


And navigate to the location where you have saved this.

I will browse to '''Desktop.'''


Click on''' 7805VoltageRegulator.'''


Click on the '''Open '''button at the bottom right corner of this window.
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||'''eSim main''' window :

Click on '''Open Schematic'''
||Click on '''Open Schematic button ''' on the left toolbar, to open the '''schematic'''.

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||'''eSim Schematic window: '''

Press '''F1'''

Click on '''Tools >> '''select '''Layout Printed Circuit Board'''
|| Using '''F1 '''I will zoom into the '''schematic'''.


Click on '''Tools''' button at the top toolbar, and select '''Layout Printed Circuit Board'''.


Let me resize this window.
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||'''Pcbnew '''window:


Hover cursor over '''airwires'''
||I have moved and oriented the '''footprints''', such that there is minimum intersection between '''airwires'''.


Let us see how to convert the  '''airwires''' into  '''tracks.''' 
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||'''Pcbnew ''' window.

Hover mouse over  '''B.Cu ''' text 

>>Click on '''B.Cu ''' text 

Hover mouse over  '''blue arrow ''' next to  '''B.Cu''' 
|| Under the  '''Layer''' tab on the right side of the  '''Pcbnew window, ''' click on '''B.Cu ''' once. 


'''Layer''' selected will be indicated by a  blue arrow on the left side of  '''B.Cu'''. 
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||'''Pcbnew ''' window.

Click on  '''Place >> ''' select '''Track ''' 
||Click on  '''Place ''' button in the top toolbar, and select  '''Track ''' from the menu. 

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||'''Pcbnew ''' window.


Use scroll keys to zoom in
||Let us place  '''tracks''' for connecting the  '''capacitor''' '''C2''' to the  '''output terminal J2.''' 


I will zoom into the  '''layout screen.''' 
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||'''Pcbnew ''' window.

Click on  '''node 1''' of  '''C2''' 

>> Drag the cursor till '''node 1 of J2''' 

>> Double click on '''node 1 of J2''' 
|| Click on  '''node 1 ''' of '''C2.''' 


Let us drag this  '''track''' from  '''node 1''' of  '''C2''' to  '''node 1 ''' of '''J2, ''' by dragging the cursor till  '''node 1 ''' of  '''J2.''' 


Double-click on '''node 1 ''' of '''J2 ''' to complete the  '''track'''. 
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|| '''Pcbnew ''' window.


Press  '''Esc ''' key 


Hover cursor over '''GND label''' 
||Similarly connect all the other  '''nodes''' except the  '''Ground nodes'''. 


Press  '''Esc ''' button to exit the  '''Place Track''' tool. 


'''Ground nodes ''' are denoted by  '''GND ''' designation. 

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|| 
||Let us place a  '''ground plane''' to connect all the  '''ground nodes'''.  

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||'''Pcbnew ''' window.

Click on '''Add filled zones.''' 
|| Click on '''Add filled zones''' button located at the right side of the  '''Pcbnew window.''' 

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|| '''Pcbnew window:'''

Click once, slightly above the top-left corner of the  '''board''' outline. 
||Click once, slightly above the top-left corner of the  '''board''' outline. 

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||'''Copper Zone Properties''' window: 


Click on  '''B.Cu''' under '''Layer ''' column 


Click on  '''GND''' under '''Net ''' column 
||Let us place the  '''ground plane''' on  '''Bottom Copper''' '''layer'''. 


To do so, click on  '''B.Cu''' under '''Layer ''' column. 


Click on  '''GND''' under '''Net ''' column. 

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||Click on  '''OK''' 
||Click on  '''OK ''' button at the bottom right corner of the  '''Copper Zone Properties ''' window. 

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||'''Pcbnew ''' window.

Drag the cursor towards right, horizontally


Click once slightly above top-right vertex of the outline.
||Drag the cursor with the pencil icon horizontally towards the right.


Click once, slightly above the top-right vertex of the  outline. 
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||'''Pcbnew ''' window.

Move the cursor vertically towards the bottom-left vertex of the board

>>Click once on the editor after crossing the bottom-left vertex.
||Let us move this cursor vertically, towards the bottom-right vertex of the  '''board'''. 


Click once slightly below bottom-right vertex.

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||'''Pcbnew ''' window.


Hover cursor over  '''board outline >> ''' Hover cursor over  '''ground plane outline.''' 
||Similarly, we will draw a rectangular  '''ground plane''' outline  around  '''board'''  outline.


Please do not confuse '''board''' outline with '''ground plane'''  outline.

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||'''Pcbnew ''' window.

Hover cursor over  '''ground plane ''' outline 

>>Hover cursor over  '''ground plane ''' outline  and  '''board'''  outline. 
||I have completed the  '''ground plane ''' outline. 


Note that the '''ground plane'''  outline should lie outside the '''board''' outline. 
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||'''Pcbnew window :'''

Right-click inside the  '''board''' outline. 


Click on  '''Fill or Refill All Zones''' 


Hover cursor over  '''ground plane''' 
||Right-click inside the  '''board''' outline. 


Click on  '''Fill or Refill All Zones ''' button from the menu. 


We have added a  '''ground plane''' to the  '''board'''. 

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||Press  '''esc''' key 
||Press  '''Esc''' key to exit the  '''Add filled zones ''' tool. 

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|| 
||Let us now perform  '''Design Rule Check''' i.e  '''DRC''', for the  '''layout''' we created.  


It checks whether the  '''design''' created is compliant with the  '''Design Rules''' set earlier. 

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||'''Pcbnew''' window:

Click on  '''Perform design rules check''' 
||Click on  '''Perform Design Rules check ''' present at the top of the  '''Pcbnew''' toolbar. 

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||'''DRC Control ''' window: 

Click on  '''Start DRC''' 


Hover mouse over  '''Error Messages:''' 
||Click on  '''Start DRC. ''' 


This checks if any  '''design element''' violates the  '''design parameters ''' set earlier. 


If there are any  '''design''' errors, they will be displayed in  '''Error Messages''' window. 

In my case, there are no errors.

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||'''DRC Control ''' window: 

Click  '''OK''' 
||Click  '''OK''' button at the bottom right corner to exit the  '''DRC Control ''' window. 

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|| 
||Now let us see how to add text on our  '''board'''. 

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||'''Pcbnew ''' window.

Click on  '''F.Silks''' from the right toolbar 


Click on  '''Place ''' from the top toolbar and select  '''Text ''' from the dropdown menu  


Click once on  '''Pcbnew ''' window 
||Let us click on  '''F.Silks layer ''' to place text on the  '''Front Silk Layer'''. 


Click on  '''Place ''' button from top '''toolbar ''' and select  '''Text ''' option from the dropdown menu. 


Click once on the  '''Pcbnew ''' window. 
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||'''Text Properties ''' window ''': ''' 

Type  '''7805VoltageRegulator ''' in the  '''Text''' window. 


Click on  '''OK''' 
|| I will type  '''7805VoltageRegulator ''' in the  '''Text ''' window. 


Click on  '''OK ''' button at the bottom right corner of the  '''Text Properties ''' window.

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||'''Pcbnew''' window:


Click once at the bottom right corner of '''layout screen'''. 


Press F2 or use scroll keys to zoom out and hover cursor over the  '''text'''. 
|| The typed text will be tied to the cursor.


Drag cursor to bottom right corner of the '''layout screen''' and click once. 


We can see the text is placed in light blue color. 

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|| 
||Please make sure to click inside the  '''board outline.''' 


Now let us see how to add  '''dimensions''' to our  '''board design.''' 

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||'''Pcbnew ''' window.

Click on  '''Margin layer''' from the right toolbar 

Click on  '''Place ''' from the top toolbar and select  '''Dimension ''' from the menu  
||Click on  '''Margin layer'''. 


Click on  '''Place ''' at top toolbar and select  '''Dimension ''' option. 

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||'''Pcbnew ''' window.

Click once the top-right vertex of the board layout
||Click once on either vertex of the '''board layout. ''' 

I have chosen the top-right vertex.

|-
||Drag the cursor towards the bottom right vertex in a straight line.


Press  '''Enter''' key twice 
||Let us drag the cursor towards the bottom right vertex in a straight line.


Press  '''Enter''' key twice. 

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||
||The dimension will be placed for the vertical edge of the  '''board'''. 

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||'''Pcbnew ''' window.

Hover cursor over horizontal dimension
||We will perform similar steps for placing horizontal  '''dimensions''' of the  '''layout'''. 

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||'''Pcbnew ''' window.

Press  '''Ctrl''' and  '''S''' key together 
|| Let us press  '''Ctrl ''' and  '''S ''' keys together to save the work. 


Let us now create  '''gerber file''' s for this  '''board'''. 

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||'''Pcbnew ''' window.

Click on  '''Plot(HPGL, PostScript or Gerber format) ''' icon 
|| Click on  '''Plot ''' button at the top of the  '''Pcbnew''' toolbar. 

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||'''Plot ''' window.

Click on the tab below : '''Plot format'''. 

>> Select  '''Gerber'''. 
||Click on the tab below  '''Plot format'''. 


Select  '''Gerber ''' out of the 6 options. 

|-
||>> Hover mouse over  '''Layers tab ''' 

>> Click on boxes to the left of  '''F.Cu, B.Cu,F.Silks, Edge.Cuts ''' and '''Margin layers''' from the provided layer options. 
||Let us select the '''layers''' for which we want the '''gerber files'''. 


I will select  '''F.Cu, B.Cu, F.Silks, Edge.Cuts ''' and '''Margin layers''' by clicking on the boxes to the left. 
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||'''Plot window:'''

Click on  '''Browse ''' button 
||Click on  '''Browse ''' button at the top right of  '''Plot ''' window. 

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||'''Select Output Directory ''' window.

Browse to desired directory

>>Click on  '''Desktop''' >>double click on  '''7805VoltageRegulator''' 


Click on  '''Open.''' 
||Let us navigate to the desired directory where we want to save the  '''gerber files'''.  


Click on  '''Desktop''', double click on  '''7805VoltageRegulator.''' 


Click on  '''Open ''' button at bottom right corner of  '''Select Output Directory ''' window. 

|-
||Click on  '''No''' 
||Click on  '''No ''' button of  '''Plot Output Directory ''' window.

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||'''Plot ''' window.

Click on  '''Plot '''button located at the bottom of  '''Plot''' window. 
||Click on  '''Plot''' button at the bottom of the  '''Plot''' window. 

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||'''Messages''' '''window''' :  

Hover cursor over the messages appeared in the  '''Messages''' window 
||Acknowledgement messages will appear in the  '''Messages''' window. 

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|| 
||Let us generate the  '''drill file''' in  '''gerber format''' for our designed  '''board'''. 

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||'''Plot ''' window.

Click on  '''Generate Drill File''' 
||Click on  '''Generate Drill File ''' at the bottom of the  '''Plot ''' window. 

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|| '''Drill Files Generation ''' window: 

Click on  '''Browse''' 

Browse to the desired directory location

Click  '''Open''' 
||Click on  '''Browse ''' button at top right corner of '''Drill Files Generation ''' window.


I will navigate to  '''Desktop/7805VoltageRegulator''' 


Click on  '''Open''' button at the bottom right corner of  '''Drill Files Generation ''' window. 
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||'''Plot Output Directory''' window: 

Click on  '''No''' 
|| If '''Plot Output Directory''' window appears, click on  '''No''' button in the middle of  '''Plot Output Directory ''' window. 

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|| '''Plot window:'''

Click on  '''Gerber ''' option at middle of  '''Drill Files Generation ''' window 
||Click on  '''Gerber ''' option placed in the middle of  '''Drill Files Generation ''' window, if not selected. 

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||
||We will leave the rest of the settings as they are.

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||'''Drill Files Generation''' window: 

Click on '''Drill File''' 
||Click on  '''Drill File ''' option present at the right side of  '''Drill Files Generation ''' window. 

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||'''Drill Files Generation window''' : 

Hover mouse over  '''Messages ''' window 
||An acknowledgement message will appear in the  '''Messages ''' window. 

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||'''Drill Files Generation''' window: 

Click on  '''Close''' 
||Click on  '''Close ''' button at the bottom right corner of  '''Drill Files Generation ''' window.
 
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||'''Plot''' window : 

Click on '''Close''' 
|| Click on '''Close ''' button at the bottom right corner of  '''Plot ''' window.
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||'''Pcbnew''' window : 

Press  '''Ctrl''' and  '''S''' key at the same time. 
||Let us '''save ''' our work by pressing  '''Ctrl''' and  '''S''' keys simultaneously. 

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||'''System Computer:'''

Press '''Ctrl, Alt ''' and '''T ''' keys together 
||Now we will view the  '''gerbers ''' created. 

Open the  '''terminal''' by pressing  '''Ctrl, Alt ''' and '''T ''' keys together. 

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||'''Terminal :'''
Type  '''gerbview''' >> Press  '''Enter''' 
||Type  '''gerbview''' and press  '''Enter ''' key.

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||'''Gerbview ''' window : 

Click on  '''File>> ''' select  '''Load Gerber File''' 
|| Click on  '''File ''' from the top left corner, and select  '''Load Gerber File ''' option.

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||'''Open Gerber File ''' window : 


Browse to the directory where you saved your gerber files earlier.
||Let us browse to directory where we have saved the  '''gerber''' files.  

I will click on  '''Desktop,''' and then double-click on '''7805VoltageRegulator.''' 

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||Press  '''Ctrl ''' and  '''A ''' keys at the same time. 


Click on  '''Open''' 
||Press  '''Ctrl ''' and  '''A ''' keys at the same time to select all the  '''gerber''' files. 


Click on  '''Open ''' button at the bottom right corner of the  '''Open Gerber file ''' window. 

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||'''Gerbview ''' window.

Hover mouse over the PCB layout in Gerber Format
||We can see the  '''PCB Layout''' we created in  '''Gerber format'''. 

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||'''Show''' image 

Image1.jpg
||This is the '''FR4 grade''' copper cladded '''sheet''' on which we will transfer our design to. 

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||Show image 

Image2.jpg
||After etching and drilling appropriate holes, this is how the  '''board''' will look. 


'''Components''' can now be mounted and soldered on this '''board'''. 

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||Show image 

Image3.jpg
||This is how the '''board''' looks after components are soldered on it. 

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|| 
||With this, we come to the end of this tutorial.

Let us summarize.
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||Show Slide:

Summary
||In this tutorial, we learnt to : 
* Place '''tracks''' on '''printed circuit board.'''
* Add dimension and text on '''Silkscreens.'''
* Generate '''Gerber files '''and '''view''' them.

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||Show Slide:

'''Forum'''
||Please post your timed queries in this forum. 

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||Show Slide:

'''FOSSEE Forum'''
||Please post your general queries on eSim in this forum. 

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||Show Slide:

'''Textbook Companion'''
||'''FOSSEE'''   team coordinates the  '''TBC'''   project.  
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||Show Slide:

'''Acknowledgment'''

http://spoken-tutorial.org
||'''Spoken Tutorial'''   Project is funded by  '''NMEICT, MHRD''', Govt. of India. 


For more details, visit this website.

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||'''Thank you Slide'''
|| This is Saurabh from  '''IIT Bombay''', signing off. 

Thank you.
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|}