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A look at EasyEDA: Free, web-based EDA tool

Posted: 06 Jun 2014     Print Version  Bookmark and Share

Keywords:EasyEDA  EDA tool  PCB  schematic  simulation 

Using a simple, three transistor clamp circuit as an example, this article introduces the features of EasyEDA and gives an overview of how to use it to create a schematic, run a simple simulation on it then lay out and order the PCB. All without leaving the tool.

For a more in depth look at the many features and functions of this very versatile EDA tool, we recommended that you have a look at the EasyEDA Tutorial and some of the many example circuits on the site.

What is EasyEDA?
EasyEDA is a new, free, web based EDA tool.

There's no need to install any software. Just open EasyEDA in any HTML5 capable, standards compliant web browser[1].

EasyEDA provides:
 • Schematic capture
 •  Schematic Design Manager
 •  ngpice-based simulation
 •  Simulation WaveForm viewer
 •  PCB layout
 •  PCB Design Manager
 •  PCB Design Rule Checking
 •  Export
   •  PCB netlist in
     •  Protel
     •  Kicad
     •  PADS
   •  Spice netlist
   •  Simulation data
   •  Schematics, symbols, PCBs and footprint in JSON format
   •  All drawings as images in
     •  pdf
     •  image
     •  SVG
 •  Creation of Bill of Materials (BoM) reports
 •  Import
   •  Altium/ProtelDXP Ascii Schematic/PCB
   •  Eagle Schematic/PCB/libs
   •  LTspice Schematic/symbols (may require editing for ngspice compatibility)
   •  Kicad libs/modules (footprint libraries)
   •  Spice models and subcircuits
 •  Symbol creation and editing
 •  Hierarchical schematics (passive drawings and active simulation schematics)
 •  Spice subcircuit creation
 •  PCB footprint creation and editing
 •  Schematic symbol, spice model and PCB footprint library management
 •  Online sharing of— and collaborative working on— schematics, simulations, PCB layouts, designs and projects
 •  Very low cost PCB for projects developed in the tool (but with no user lock-in to EasyEDA: Gerbers can be downloaded and sent to any PCB supplier)

A first look at the EasyEDA Editor page
The first time visitor to the EasyEDA Editor page is taken through a one-time short guided tour of the essential features of the tool. It is well worth spending a minute or two going through this and observing some of the drop-down menus that can still be activated under the buttons highlighted during the tour to get the hang of some of the many functions that are common across all the Schematic, Symbol Lib, Spice Symbol, Spice Subckt, Simulation, PCB Layout and PCB Lib Creation canvasses of the tool.

Almost all the features of EasyEDA can be used, even without signing up for an account, by saving files in Anonymous mode. Files can then be reopened and edited simply by pasting their urls back into the browser.

To use the more powerful file management and sharing features however the user needs to register for an EasyEDA account from the simple Create an account dialogue accessed from the Log in button:

Figure 1: Creating an account.

Sign up is very simple and can also be done using an existing Google or Yahoo account.

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