Difference between revisions of "KiCad/C2/Designing-circuit-schematic-in-KiCad/English-timed"

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|'''Narration'''

|'''Narration'''

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| Welcome to the spoken tutorial on “Designing circuit schematic in Kicad”  

| Welcome to the spoken tutorial on “Designing circuit schematic in Kicad”  

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|  Let us now see the steps involved in PCB designing

|  Let us now see the steps involved in PCB designing

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| First step is to create schematic for the desired circuit.  

| First step is to create schematic for the desired circuit.  

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|Second step is to generate netlist.

|Second step is to generate netlist.

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| Third step is to map components with corresponding footprints.

| Third step is to map components with corresponding footprints.

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|And fourth step is to create board layout for the circuit.  

|And fourth step is to create board layout for the circuit.  

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|In this tutorial we will learn first step, that is,  

|In this tutorial we will learn first step, that is,  

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|Creating a schematic for the desired circuit.  

|Creating a schematic for the desired circuit.  

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| We are using Ubuntu 12.04 as the operating system.  

| We are using Ubuntu 12.04 as the operating system.  

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| With KiCad version 2011 hyphen 05 hyphen 25 for this tutorial.  

| With KiCad version 2011 hyphen 05 hyphen 25 for this tutorial.  

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|Basic knowledge of electronic circuits is a pre-requisite for this tutorial.  

|Basic knowledge of electronic circuits is a pre-requisite for this tutorial.  

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|We will use Astable multivibrator as an example circuit for this tutorial.  

|We will use Astable multivibrator as an example circuit for this tutorial.  

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|To start KiCad,  

|To start KiCad,  

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|Go to top left corner of ubuntu desktop screen.  

|Go to top left corner of ubuntu desktop screen.  

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|Click on first icon i.e the Dash home.  

|Click on first icon i.e the Dash home.  

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| In the search bar type 'KiCad', and press Enter.  

| In the search bar type 'KiCad', and press Enter.  

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|KiCad main window will appear on the screen.  

|KiCad main window will appear on the screen.  

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|  Note that in Ubuntu 12.04, the menu bar of KiCad appears on the top panel of Ubuntu desktop.  

|  Note that in Ubuntu 12.04, the menu bar of KiCad appears on the top panel of Ubuntu desktop.  

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|To start a new project, click on File and then click on New.

|To start a new project, click on File and then click on New.

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|Give a name to your project. For example, project1.

|Give a name to your project. For example, project1.

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| Note that project is getting saved with .pro extension  

| Note that project is getting saved with .pro extension  

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|  Let me resize this window for better view  

|  Let me resize this window for better view  

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| Notice where your project is getting saved and change the directory if needed.  

| Notice where your project is getting saved and change the directory if needed.  

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| Click on Save.

| Click on Save.

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| Circuit schematics are made in KiCad using EESchema.  

| Circuit schematics are made in KiCad using EESchema.  

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|Let me show you how to start EESchema in KiCad.

|Let me show you how to start EESchema in KiCad.

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| The first tab in the top panel of KiCad main window is called as EESchema or schematic editor

| The first tab in the top panel of KiCad main window is called as EESchema or schematic editor

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|Clicking on EESchema tab opens the schematic editor.

|Clicking on EESchema tab opens the schematic editor.

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|An Info dialog box will appear saying it cannot find the schematic.

|An Info dialog box will appear saying it cannot find the schematic.

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|Click on Ok.

|Click on Ok.

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|We will create circuit schematics here.  

|We will create circuit schematics here.  

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| Go to right panel of EESchema window.  

| Go to right panel of EESchema window.  

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|click on Place a component button.  

|click on Place a component button.  

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| Now click on the blank EESchema window.  

| Now click on the blank EESchema window.  

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| The component selection window will open up.  

| The component selection window will open up.  

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| Now we will place 555 timer IC schematic in the EESchema window.  

| Now we will place 555 timer IC schematic in the EESchema window.  

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|In the Name field of component selection window, type 555 and click on Ok.

|In the Name field of component selection window, type 555 and click on Ok.

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|It will show the search result as LM555N.

|It will show the search result as LM555N.

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|Select this result and click on OK.  

|Select this result and click on OK.  

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|The component’s schematic will appear on the EESchema window.   

|The component’s schematic will appear on the EESchema window.   

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|It would be tied to your cursor.  

|It would be tied to your cursor.  

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| Place the component at the center of the screen by a single click.  

| Place the component at the center of the screen by a single click.  

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| To zoom in and out for better view use the scroll button of your mouse.  

| To zoom in and out for better view use the scroll button of your mouse.  

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| Keep Cursor on Component which you want to zoom in and zoom out.

| Keep Cursor on Component which you want to zoom in and zoom out.

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|You can also use F1 and F2 keys to zoom in and zoom out, respectively.  

|You can also use F1 and F2 keys to zoom in and zoom out, respectively.  

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| You may or may not see the VCC and GND i.e. the ground terminal on the 555 IC.

| You may or may not see the VCC and GND i.e. the ground terminal on the 555 IC.

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| If you do not see it, go to the left panel of EESchema window.  

| If you do not see it, go to the left panel of EESchema window.  

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|  Click on the Show hidden pins button.  

|  Click on the Show hidden pins button.  

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|Now we will place a resistor in the EESchema window.  

|Now we will place a resistor in the EESchema window.  

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|The Place a component option was previously selected by us.  

|The Place a component option was previously selected by us.  

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|Hence, simply click on EESchema and you will see the component selection window.  

|Hence, simply click on EESchema and you will see the component selection window.  

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|In the name field, type r and click on OK.  

|In the name field, type r and click on OK.  

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| Resistor schematic will appear on EESchema which will be tied to cursor.  

| Resistor schematic will appear on EESchema which will be tied to cursor.  

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|Place the resistor somewhere on the EESchema by a single click   

|Place the resistor somewhere on the EESchema by a single click   

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|We need two more resistors.

|We need two more resistors.

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|We can get the two resistors using the Place a component button.  

|We can get the two resistors using the Place a component button.  

   

   

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|But since we already have a resistor, let us see how to copy a component.   

|But since we already have a resistor, let us see how to copy a component.   

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| To copy a component, right click on the component and choose Copy Component.

| To copy a component, right click on the component and choose Copy Component.

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|A copy of the component will be tied to your cursor.  

|A copy of the component will be tied to your cursor.  

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|Place this resistor somewhere on EESchema by a single click.  

|Place this resistor somewhere on EESchema by a single click.  

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|This can also be done more quickly using the keyboard shortcut c.  

|This can also be done more quickly using the keyboard shortcut c.  

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|For this, keep the cursor on the component and then press c.  

|For this, keep the cursor on the component and then press c.  

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| Again it will be tied to your cursor.  

| Again it will be tied to your cursor.  

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|Click once to place it.  

|Click once to place it.  

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|  A list of shortcuts can be obtained by pressing Shift and ? (question mark) key.  

|  A list of shortcuts can be obtained by pressing Shift and ? (question mark) key.  

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|Here is the list of keyboard shortcuts.  

|Here is the list of keyboard shortcuts.  

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|Close this window.   

|Close this window.   

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|Click on EESchema window to open the component selection window.  

|Click on EESchema window to open the component selection window.  

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|Next we need two capacitors, electrolytic and ceramic.

|Next we need two capacitors, electrolytic and ceramic.

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| Type cp1 to add electrolytic capacitor and click OK.

| Type cp1 to add electrolytic capacitor and click OK.

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|Type c to add ceramic capacitor and click OK.  

|Type c to add ceramic capacitor and click OK.  

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|We also need a Light Emitting Diode, know as LED.

|We also need a Light Emitting Diode, know as LED.

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|In component selection window type led and click on OK.

|In component selection window type led and click on OK.

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| Now we need a power supply i.e.Vcc and Ground terminals.   

| Now we need a power supply i.e.Vcc and Ground terminals.   

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| On the right panel of EESchema, click on Place a power port button.  

| On the right panel of EESchema, click on Place a power port button.  

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|Click once on the EESchema to open the component selection window.  

|Click once on the EESchema to open the component selection window.  

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|Click on List All button and you will see a list of various power notations.  

|Click on List All button and you will see a list of various power notations.  

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|Choose +5V (plus 5 volt) and click on OK.

|Choose +5V (plus 5 volt) and click on OK.

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| Place the component by single click on the EESchema window  

| Place the component by single click on the EESchema window  

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|Similarly, to get the ground terminal,  

|Similarly, to get the ground terminal,  

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|choose ground from the list and click on OK   

|choose ground from the list and click on OK   

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|Let me choose the ground terminal  

|Let me choose the ground terminal  

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| We also need a connector to connect the external power supply  

| We also need a connector to connect the external power supply  

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|Click on the EESchema to open the component selection window.

|Click on the EESchema to open the component selection window.

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| Click on List All button and you will see a list.

| Click on List All button and you will see a list.

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|Choose conn option and click on OK.  

|Choose conn option and click on OK.  

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|Scroll down and choose CONN_2 from the list and click on OK.  

|Scroll down and choose CONN_2 from the list and click on OK.  

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| A two terminal connector will appear. It will be tied to your mouse pointer  

| A two terminal connector will appear. It will be tied to your mouse pointer  

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|Click once to place it.  

|Click once to place it.  

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|Now we will arrange the components, by moving them to appropriate places.  

|Now we will arrange the components, by moving them to appropriate places.  

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|We will use the  shortcut key m for moving the components.  

|We will use the  shortcut key m for moving the components.  

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|To move a component, keep the mouse pointer on a component, say resistor, and then press m.  

|To move a component, keep the mouse pointer on a component, say resistor, and then press m.  

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| We will place this resistor to the right of IC 555 by a single click on the EESchema.  

| We will place this resistor to the right of IC 555 by a single click on the EESchema.  

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| We will use the keyboard shortcut key r for rotating the LED and aligning it vertically.  

| We will use the keyboard shortcut key r for rotating the LED and aligning it vertically.  

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| Now we will see how to interconnect or wire the components as per the circuit diagram.  

| Now we will see how to interconnect or wire the components as per the circuit diagram.  

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| Let us start with the interconnection of components.  

| Let us start with the interconnection of components.  

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| On right panel of EESchema, Click on Place a wire button.  

| On right panel of EESchema, Click on Place a wire button.  

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|We will now interconnect two resistors.  

|We will now interconnect two resistors.  

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| We will connect wire by clicking on either nodes of both the resistors.

| We will connect wire by clicking on either nodes of both the resistors.

   

   

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|Now we will connect the 7th pin of IC 555 to the wire connecting the two resistor.   

|Now we will connect the 7th pin of IC 555 to the wire connecting the two resistor.   

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|Click on the 7th pin of IC 555 and then on the wire connecting the two resistors.

|Click on the 7th pin of IC 555 and then on the wire connecting the two resistors.

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| Notice that this will automatically form a junction which appears as a node.  

| Notice that this will automatically form a junction which appears as a node.  

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|I have already interconnected the components and saved it.

|I have already interconnected the components and saved it.

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| I will now open and use this already made schematic to save time.  

| I will now open and use this already made schematic to save time.  

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|I will go to file menu & click on open.

|I will go to file menu & click on open.

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|A Confirmation window opens. Click on Yes.  

|A Confirmation window opens. Click on Yes.  

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|I will choose project1.sch from the desired directory.

|I will choose project1.sch from the desired directory.

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|Let me resize this window first .  

|Let me resize this window first .  

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|and then I will click on open.

|and then I will click on open.

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|I will click on open.

|I will click on open.

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|Here is the schematic created earlier.  

|Here is the schematic created earlier.  

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|We would now see how to annotate components.  

|We would now see how to annotate components.  

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|Annotation gives unique identification to each component.  

|Annotation gives unique identification to each component.  

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|Annotating will replace the question marks on the components with unique numbers.  

|Annotating will replace the question marks on the components with unique numbers.  

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|On top panel of EESchema, Click on “Annotate schematic” button.  

|On top panel of EESchema, Click on “Annotate schematic” button.  

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|This will open the Annotate Schematic window.  

|This will open the Annotate Schematic window.  

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|In this window, keep the default configuration.  

|In this window, keep the default configuration.  

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| Click on the Annotation Button.  

| Click on the Annotation Button.  

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|This will warn you that it will annotate only the un-annotate components.  

|This will warn you that it will annotate only the un-annotate components.  

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|Click on OK.

|Click on OK.

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|Click on the Close button on the Annotate schematic window.  

|Click on the Close button on the Annotate schematic window.  

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|Notice that the question marks on the components are replaced with unique numbers.  

|Notice that the question marks on the components are replaced with unique numbers.  

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|Click on File  

|Click on File  

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| and choose Save whole schematic project to save this schematic.  

| and choose Save whole schematic project to save this schematic.  

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|Click on File and choose Quit.  

|Click on File and choose Quit.  

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| This will close the EESchema window.  

| This will close the EESchema window.  

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|Now go to KiCad main window.  

|Now go to KiCad main window.  

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|Click on File and choose Quit  

|Click on File and choose Quit  

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| This completes the objective of this tutorial of creating circuit schematic in KiCad.   

| This completes the objective of this tutorial of creating circuit schematic in KiCad.   

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| Let us summarize what we learnt in this tutorial

| Let us summarize what we learnt in this tutorial

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|In this tutorial we learnt,  

|In this tutorial we learnt,  

   

   

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|To use EESchema in KiCad for creating circuit schematic  

|To use EESchema in KiCad for creating circuit schematic  

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| Annotation of circuit schematic.  

| Annotation of circuit schematic.  

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|  Try the following Assignment,  

|  Try the following Assignment,  

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|Place component Inductor on EESchema using component selection window.  

|Place component Inductor on EESchema using component selection window.  

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|Explore shortcut keys a, x and y

|Explore shortcut keys a, x and y

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|-

|Watch the video available at the following link  

|Watch the video available at the following link  

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|-

|It summarises the Spoken Tutorial project  

|It summarises the Spoken Tutorial project  

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|-

| If you do not have good bandwidth, you can download and watch it  

| If you do not have good bandwidth, you can download and watch it  

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|-

| The Spoken Tutorial Project Team  

| The Spoken Tutorial Project Team  

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|-

|Conducts workshops using spoken tutorials  

|Conducts workshops using spoken tutorials  

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|-

|Gives certificates for those who pass an online test  

|Gives certificates for those who pass an online test  

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|-

|For more details, please write to contact at spoken hyphen tutorial dot org  

|For more details, please write to contact at spoken hyphen tutorial dot org  

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|-

|Spoken Tutorial Project is a part of the Talk to a Teacher project  

|Spoken Tutorial Project is a part of the Talk to a Teacher project  

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|It is supported by the National Mission on Education through ICT, MHRD, Government of India  

|It is supported by the National Mission on Education through ICT, MHRD, Government of India  

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|-

|More information on this Mission is available at  

|More information on this Mission is available at  

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|-

|spoken hyphen tutorial dot org slash NMEICT hyphen Intro  

|spoken hyphen tutorial dot org slash NMEICT hyphen Intro  

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|-

|This script has been contributed by Abhishek & Rupak  

|This script has been contributed by Abhishek & Rupak  

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|-

|This is Rupak Rokade from IIT Bombay, signing off. Thanks for joining.

|This is Rupak Rokade from IIT Bombay, signing off. Thanks for joining.