Formoreinformationaboutcreatingacomponent,seethesectionofthisdocumenttitledMakeschematiccomponents
inKiCad. Andfor r moreinformationabouthowtocreate anewfootprint, , seethesectionof this s document titled
Makecomponentfootprints.
Onthefollowingsite:
http://kicad.rohrbacher.net/quicklib.php
Youwill find anexample of useof atoolthatallows s youtoquicklycreate KiCadlibrary components. . For r more
informationaboutquicklib,refertothesectionofthisdocumenttitledMakeSchematicComponentsWithquicklib.
2.2 Forwardandbackwardannotation
Once anelectronic schematichas beenfully drawn, the next stepis s totransfer r it toa a PCBfollowingtheKiCad
work-flow. Oncetheboardlayoutprocesshasbeenpartiallyorcompletelydone,additionalcomponentsornetsmight
needtobeadded,parts movedaroundandmuchmore. . Thiscanbedoneintwoways: : BackwardAnnotationand
ForwardAnnotation.
BackwardAnnotationistheprocessofsendingaPCBlayoutchangebacktoitscorrespondingschematic. Somedo
notconsiderthisparticularfeatureespeciallyuseful.
ForwardAnnotationistheprocessofsendingschematicchangestoacorrespondingPCBlayout.Thisisafundamental
featurebecauseyoudonotreallywanttore-dothelayoutofthewholePCBeverytimeyoumakeamodificationto
yourschematic. ForwardAnnotationisdiscussedinthesectiontitledForwardAnnotation.
Batch pdf to jpg - Convert PDF to JPEG images in C#.net, ASP.NET MVC, WinForms, WPF project
How to convert PDF to JPEG using C#.NET PDF to JPEG conversion / converter library control SDK
convert multi page pdf to single jpg; batch convert pdf to jpg
Batch pdf to jpg - VB.NET PDF Convert to Jpeg SDK: Convert PDF to JPEG images in vb.net, ASP.NET MVC, WinForms, WPF project
Online Tutorial for PDF to JPEG (JPG) Conversion in VB.NET Image Application
convert pdf image to jpg image; best pdf to jpg converter for
Chapter3
Drawelectronicschematics
InthissectionwearegoingtolearnhowtodrawanelectronicschematicusingKiCad.
3.1 UsingEeschema
1. UnderWindowsrunkicad.exe. . UnderLinuxtypekicadinyourTerminal. . Youarenowinthemainwindowof
theKiCadprojectmanager.Fromhereyouhaveaccesstoeightstand-alonesoftwaretools:Eeschema,Schematic
LibraryEditor,Pcbnew,PCBFootprintEditor,GerbView,Bitmap2Component,PCBCalculatorandPlEditor.
Refertothework-flowcharttogiveyouanideahowthemaintoolsareused.
2. Createanewproject: File→ → New ProjectNew Project. Nametheprojectfiletutorial1. Theproject
filewillautomaticallytaketheextension”.pro”. KiCadpromptstocreateadedicateddirectory,click”Yes”to
confirm. Allyourprojectfileswillbesavedhere.
3. Let’sbeginbycreatingaschematic. StarttheschematiceditorEeschema,
. Itisthefirstbuttonfrom
theleft.
4. ClickonthePageSettingsicon
onthetoptoolbar.SetthePageSizeasA4andentertheTitleasTutorial
1.Youwillseethatmoreinformationcanbeenteredhereifnecessary. ClickOK.Thisinformationwillpopulate
the schematicsheetatthebottomrightcorner. . Usethemousewheeltozoomin. Savethewholeschematic
project: FileSaveSchematicProject
JPEG to PDF Converter | Convert JPEG to PDF, Convert PDF to JPEG
similar software; Support a batch conversion of JPG to PDF with amazingly high speed; Get a compressed PDF file after conversion; Support
convert pdf file into jpg format; change from pdf to jpg on
JPG to DICOM Converter | Convert JPEG to DICOM, Convert DICOM to
Open JPEG to DICOM Converter first; Load JPG images from local folders in "File" in toolbar Windows Explorer; Select "Batch Conversion" & Choose "DICOM" in
convert pdf into jpg format; change format from pdf to jpg
5. Wewillnowplaceourfirstcomponent.ClickonthePlacecomponenticon
intherighttoolbar.Thesame
functionalityisachievedbypressingthePlacecomponentshortcutkey(a).
Note
Youcanseealistofallavailableshortcutkeysbypressingthe? key.
6. Clickonthemiddleofyourschematicsheet. AChooseComponentwindowwillappearonthescreen. . We’re
goingtoplacearesistor. Search/filter r ontheRofResistor. . Youmay y notice thedevice headingabovethe
Resistor.Thisdeviceheadingisthenameofthelibrarywherethecomponentislocated,whichisquiteageneric
andusefullibrary.
JPG to GIF Converter | Convert JPEG to GIF, Convert GIF to JPG
Open JPEG to GIF Converter first; Load JPG images from local folders in "File" in toolbar Windows Explorer; Select "Batch Conversion" & Choose "GIF" in "Output
convert pdf to jpeg on; convert pdf file to jpg online
JPG to JBIG2 Converter | Convert JPEG to JBIG2, Convert JBIG2 to
Ability to preserve original images without any affecting; Ability to convert image swiftly between JPG & JBIG2 in single and batch mode;
pdf to jpg; convert multipage pdf to jpg
7. Doubleclickonit.ThiswillclosetheChooseComponentwindow. . Placethecomponentintheschematicsheet
byclickingwhereyouwantittobe.
8. Clickonthemagnifiericontozoominonthecomponent. Alternatively,usethemousewheeltozoominand
zoomout. Pressthewheel(central)mousebuttontopanhorizontallyandvertically.
9. TrytohoverthemouseoverthecomponentRandpresstherkey. . Thecomponentshouldrotate. Youdonot
needtoactuallyclickonthecomponenttorotateit.
Note
If yourmousewasalsoovertheFieldReference (R) orthe Field Value (R?),amenu willappear. . Youwill l see
theseClarifySelectionmenuofteninKiCad,theyallowworkingonobjectsthatareontopofeachother. Inthis
case,tellKiCadyouwanttoperformtheactionontheComponent…R….
10. RightclickinthemiddleofthecomponentandselectEditComponentValue.Youcanachievethesame
resultbyhoveringoverthecomponentandpressingthevkey.Alternatively,theekeywilltakeyoutothemore
generalEditwindow. Noticehowtheright-clickmenubelowshowsshortcutkeysforallavailableactions.
11. TheComponentvaluewindowwillappear. . ReplacethecurrentvalueRwith1k.ClickOK.
Note
DonotchangetheReferencefield(R?), thiswillbedone automatically lateron. . The e value insidetheresistor
shouldnowbe1k.
JPG to Word Converter | Convert JPEG to Word, Convert Word to JPG
Open JPEG to Word Converter first; Load JPG images from local folders in "File" in toolbar Windows Explorer; Select "Batch Conversion" & Choose "Word" in
c# pdf to jpg; to jpeg
JPG to JPEG2000 Converter | Convert JPEG to JPEG2000, Convert
Open JPEG to JPEG2000 Converter first; ad JPG images from local folders in "File" in toolbar Windows Explorer; Select "Batch Conversion" & Choose "JPEG2000" in
change pdf file to jpg file; convert pdf picture to jpg
12. Toplaceanotherresistor,simplyclickwhereyouwanttheresistortoappear. . TheComponentSelectionwindow
willappearagain.
13. Theresistoryoupreviouslychoseisnowinyourhistorylist,appearingasR.ClickOKandplacethecomponent.
14. Incaseyoumakeamistakeandwanttodeleteacomponent,rightclickonthecomponentandclickDeleteCom-
ponent. Thiswillremovethecomponentfromtheschematic. Alternatively,youcanhoveroverthecomponent
youwanttodeleteandpressthedelkey.
JPG to PNG Converter | Convert JPEG to PNG, Convert PNG to JPG
Open JPEG to PNG Converter first; Load JPG images from local folders in "File" in toolbar Windows Explorer; Select "Batch Conversion" & Choose "PNG" in "Output
.net pdf to jpg; change from pdf to jpg
VB.NET Image: PDF to Image Converter, Convert Batch PDF Pages to
and non-professional end users to convert PDF and PDF/A documents to many image formats that are used commonly in daily life (like tiff, jpg, png, bitmap, jpeg
reader pdf to jpeg; batch convert pdf to jpg online
Note
YoucaneditanydefaultshortcutkeybygoingtoPreferencesHotkeys→ Edit hotkeys. Anymodification
willbesavedimmediately.
15. Youcanalsoduplicateacomponentalreadyonyourschematicsheetbyhoveringoveritandpressingtheckey.
Clickwhereyouwanttoplacethenewduplicatedcomponent.
16. Rightclickonthesecondresistor. . SelectDragComponent. Repositionthecomponentandleft t click todrop.
Thesamefunctionalitycanbeachievedbyhoveringoverthecomponentandbypressingthegkey. Usether
keytorotatethecomponent.Thexkeyandtheykeywillflipthecomponent.
Note
Right-ClickMovecomponent(equivalenttothemkeyoption)isalsoavaluableoptionformovinganything
around,butitisbettertousethisonlyforcomponentlabels andcomponentsyettobeconnected. . Wewillsee
lateronwhythisisthecase.
17. Editthesecondresistorbyhoveringoveritandpressingthevkey. . ReplaceRwith100. Youcanundoanyof
youreditingactionswiththectrl+zkey.
18. Changethegridsize. . Youhaveprobablynoticedthatontheschematicsheetallcomponentsaresnappedonto
alargepitchgrid. YoucaneasilychangethesizeofthegridbyRight-ClickGridselectIngeneral,itis
recommendedtouseagridof50.0milsfortheschematicsheet.
19. We e are goingtoaddacomponent fromalibrarythatisn’tconfiguredinthedefaultproject. . Inthemenu,
choosePreferencesComponentLibrariesandclicktheAddbuttonforComponentlibraryfiles.
20. Youneedtofindwheretheofficial l KiCadlibraries s areinstalledonyour computer. . Look k for a librarydi-
rectorycontainingahundredof.dcmand.libfiles. Try y inC:\Program m Files (x86)\KiCad\share\ \ (Win-
dows) and/usr/share/kicad/library/ / (Linux). . Whenyou u have e foundthe directory, chooseandaddthe
microchip_pic12mculibraryandclosethewindow.
21. Repeattheadd-componentsteps,howeverthistimeselectthemicrochip_pic12mculibraryinsteadofthedevice
libraryandpickthePIC12C508A-I/SN component.
22. Hoverthemouseoverthemicrocontrollercomponent.Presstheykeyorthexkeyonthekeyboard.Noticehow
thecomponentisflippedoveritsxaxisoritsyaxis. Pressthekeyagaintoreturnittoitsoriginalorientation.
23. Repeattheadd-componentsteps,thistimechoosingthedevicelibraryandpickingtheLEDcomponentfromit.
24. Organiseallcomponentsonyourschematicsheetasshownbelow.
25. We e now needtocreatetheschematiccomponentMYCONN3 for our 3-pinconnector. . Youcanjumptothe
sectiontitledMakeSchematicComponents inKiCadtolearnhowtomakethiscomponent fromscratchand
thenreturntothissectiontocontinuewiththeboard.
26. Youcannowplacethefreshlymadecomponent. . PresstheakeyandpicktheMYCONN3 componentinthe
myLiblibrary.
27. ThecomponentidentifierJ?willappearundertheMYCONN3label. . Ifyouwanttochangeitsposition,right
clickonJ?andclickonMove Field(equivalenttothem keyoption). . Itmightbehelpfultozoominbefore/
whiledoingthis. RepositionJ?underthecomponentasshownbelow. . Labels s canbemovedaroundasmany
timesasyouplease.
28. Itistimetoplacethepowerandgroundsymbols. ClickonthePlaceapowerportbutton
ontheright
toolbar. Alternatively,pressthepkey. Inthecomponentselectionwindow,scrolldownandselectVCC from
thepowerlibrary. ClickOK.
29. Click k above thepin n of f the1 kresistor toplacethe VCCpart. . Click k onthe area above the microcontroller
VDD.IntheComponentSelectionhistorysectionselect VCC andplaceitnext totheVDD pin. . Repeatthe
addprocessagainandplaceaVCCpartabovetheVCCpinofMYCONN3.
30. Repeattheadd-pinstepsbutthistimeselecttheGNDpart.PlaceaGNDpartundertheGNDpinofMYCONN3.
PlaceanotherGNDsymbolontherightoftheVSSpinofthemicrocontroller.Yourschematicshouldnowlook
somethinglikethis:
31. Next,wewillwireallourcomponents. . ClickonthePlacewireicon
ontherighttoolbar.
Note
BecarefulnottopickPlaceabus,whichappearsdirectlybeneaththisbuttonbuthasthickerlines. Thesection
BusConnectionsinKiCadwillexplainhowtouseabussection.
32. Clickonthelittlecircleattheendofpin7ofthemicrocontrollerandthenclickonthelittlecircleonpin2of
theLED.Youcanzoominwhileyouareplacingtheconnection.
Note
If you wanttoreposition wired components, itis importanttousetheg key(grab)optionand notthem m key
(move)option. Usingthegraboptionwillkeepthewiresconnected. Review w step24incaseyouhaveforgotten
howtomoveacomponent.
33. Repeatthisprocessandwireupalltheothercomponentsasshownbelow. . Toterminateawirejustdouble-click.
Whenwiringupthe VCCandGNDsymbols, thewireshouldtouchthebottom of theVCCsymbolandthe
middletopoftheGNDsymbol. Seethescreenshotbelow.
34. Wewillnowconsideranalternativewayofmakingaconnectionusinglabels. . Pickanetlabellingtoolbyclicking
Documents you may be interested
Documents you may be interested