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The features of TinyCAD

Drawing overview

Web & Word

Creating Circuit Diagrams for display on the Web and in Word

TinyCAD has some features to make it easier for you to put your circuit diagrams on your own web-site or adding them to your Word or other documents.

Turn your circuit diagrams in to PNG images

Although you might want to put the original drawing on your web-site, with a link to TinyCAD for download, this isn't normally what people want to do.

A better solution is to convert your circuit digrams in to bitmap. TinyCAD supports outputing ciruits diagrams as PNG files. If you are not familar with PNG files, they are the open-source equivilent of GIFs. All modern web browsers and operating systems support PNG files.

You can create PNG files directly from the file menu in TinyCAD, these files can be exported in colour or black and white.

Copy & Paste your circuit diagrams in to Word or Powerpoint

You can clearly paste the PNG file in to Word too. However, TinyCAD also supports normal Windows' Copy & Paste.

Any part of the circuit diagram that is selected and then Copy'ed can then be pasted in to any of the Office applications. Instead of being pasted as a bitmap, the image is pasted as a vector graphic, making it higher quality for use in printed material.

Convert your drawings in to Acrobat (pdf) files

If you want your circuit diagrams as PDF files, then you need an extra program that converts the print output from TinyCAD.

There is an open source PDF creator that you can get by following the links in the "Link" section above. This program produces excellent PDF files from not only TinyCAD but most Windows programs.

Using TinyCAD to create PCBs in an EDA system

There's no point in drawing a circuit diagram unless you can actually build it!

TinyCAD can be used to make circuit diagrams that can be fed in to a PCB layout program. After the you have created your drawing, you can use TinyCAD's design rules checker to see if there are any problem which will prevent it from being used by a PCB layout program.

TinyCAD supports several different PCB net-list formats. Simply export the net-list from TinyCAD and import it into another PCB layout program. If you are looking for a free PCB layout program then try FreePCB. It is linked to in the links page.

You can export from TinyCAD in Protel, PADS, Eagle SCR format.

Simulating circuits with TinyCAD and Spice

You may use TinyCAD to create Spice simulation files. TinyCAD incorporates a powerful Spice template engine, which enables you to add Spice output to any symbol. Although there is no formal Spice symbol library supplied with TinyCAD there are some examples of Spice libraries available from the Yahoo forum.

The Spice template engine is capable of generating Spice files for almost any Spice engine, there are plently of free engines available. The template engine also supports the use of conditional statements, so that advanced simulation systems are possible.

Complete list of TinyCAD features

Feature Support
Electronic components Symbols (extracted from symbol libraries)
Junctions (with automatic placement)
Drawing objects Lines, text (any colour or size)
Filled rectangles, elipses, arcs and polygons
Drawing rulers to aid alignment
Editing tools Normal Windows editing
Use Ctrl to select more than one item
Automatic dragging of wires with symbols
Use block tools to flip and rotate ares of the schematic
Libraries Built-in library editor
Thumbnail preview & printing
Symbol-picker by the side of your drawing with search & preview
Share your workSave as a PNG or EMF file. Copy & Paste in to Word
PCB integrationOutput in PADS, Protel & Eagle SCR
File formatTinyCAD open XML format for drawings and Microsoft Access mdb for libraries
SPICE integrationFull SPICE template engine (but no libraries). See help documentation.
Electrical tools Check for wiring errors
Create bill of materials (parts list)
Automatic creation of symbol references (e.g. R3) and a "reference painter" tool.
Multi-sheet schematics Use the "sheets" at the base of the drawing to have more than one page per schematic
Connect across schematics using labels and power symbols
Insert bitmapsInsert bitmaps from JPEG, PNG, BMP or EMF file formats
Printing Print to normal Windows' supported Printer
Print preview
Print across multiple sheets for large schematics
Print in colour or B&W