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avr8js VS EasyEDA

Compare avr8js VS EasyEDA and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

avr8js logo avr8js

Arduino (8-bit AVR) simulator, written in JavaScript and runs in the browser / Node.js - wokwi/avr8js

EasyEDA logo EasyEDA

EasyEDA - Web-based EDA suite; runs in browser.
  • avr8js Landing page
    Landing page //
    2026-05-15
  • EasyEDA Landing page
    Landing page //
    2021-08-01

avr8js features and specs

  • Browser-based AVR simulation
    avr8js enables running AVR (Arduino) code directly in the browser using JavaScript/TypeScript, eliminating the need for native toolchains or hardware for testing and educational purposes.
  • Open source and well-maintained
    The project is open source under the MIT license and is actively maintained by Wokwi, a well-known electronics simulation platform, ensuring ongoing development and community support.
  • Lightweight and embeddable
    As a pure JavaScript/TypeScript library with no native dependencies, avr8js can be easily embedded into web applications, educational platforms, and online IDEs without complex installation procedures.
  • Accurate peripheral emulation
    The library supports emulation of key AVR peripherals including timers, GPIO, USART, SPI, ADC, and TWI, allowing realistic simulation of common Arduino projects and sensor interactions.
  • Strong educational value
    avr8js is ideal for educational environments where students can experiment with microcontroller programming without needing physical hardware, lowering the barrier to entry for embedded systems learning.

Possible disadvantages of avr8js

  • Limited to ATmega328p focus
    The library is primarily focused on the ATmega328p (Arduino Uno) chip, with limited or incomplete support for other AVR microcontroller variants, restricting its use for projects targeting different AVR chips.
  • Performance limitations
    Being a JavaScript-based emulator, avr8js cannot match the execution speed or real-time behavior of native AVR hardware or native emulators, which may cause timing-sensitive applications to behave differently than on real hardware.
  • Incomplete peripheral coverage
    While core peripherals are supported, some advanced or less common AVR peripherals and features may not be fully implemented, potentially requiring workarounds or preventing simulation of certain projects.
  • No built-in debugging tools
    avr8js is a simulation engine library rather than a full IDE or debugger. Users need to build or integrate their own debugging interfaces, which adds complexity for those wanting step-through debugging or breakpoint support.
  • Limited documentation and examples
    While the project has basic documentation and some demos, the available guides and API documentation could be more comprehensive, making it challenging for newcomers to understand advanced usage patterns and customization options.

EasyEDA features and specs

  • Web-Based
    EasyEDA is accessible through a web browser, which means it can be accessed from any operating system without the need to download software.
  • Free Usage
    EasyEDA offers a free tier with sufficient features for hobbyists and smaller projects.
  • Integrated Component Library
    The platform has a large library of components, which makes it easier to find and use components in designs.
  • Simulation Capabilities
    EasyEDA includes built-in simulation tools, allowing users to test circuits before creating physical prototypes.
  • Team Collaboration
    EasyEDA supports teamwork by allowing multiple users to collaborate on the same project in real-time.
  • Gerber File Export
    Users can export their designs into Gerber files, which are necessary for PCB manufacturing.
  • JLCPCB Integration
    There is seamless integration with JLCPCB for easy PCB ordering directly from the design interface.

Possible disadvantages of EasyEDA

  • Internet Dependency
    Since it is web-based, a reliable internet connection is required for accessing and using EasyEDA.
  • Performance Issues
    For complex projects, the web-based nature can lead to performance lags and slower response times.
  • Limited Offline Capabilities
    There are limited options for working offline, which can be a hindrance in situations with no internet access.
  • Learning Curve
    New users may find the interface and functionalities a bit overwhelming at first, requiring some time to become proficient.
  • No Advanced 3D Visualization
    Compared to some desktop-based tools, EasyEDA lacks advanced 3D visualization features for PCB layouts.
  • Restricted to Specific Fabrication Services
    Although it supports Gerber export, EasyEDA is optimized for ordering PCBs from JLCPCB, which may limit choices for some users.
  • Data Security Concerns
    As a cloud-based solution, there may be concerns about the security and privacy of project data stored online.

Analysis of EasyEDA

Overall verdict

  • EasyEDA is generally regarded as a good option for hobbyists, students, and small businesses looking for a cost-effective yet capable electronic design solution. While professional architects might seek tools with more advanced features or offline capabilities, EasyEDA offers significant value for most users, especially beginners and those who appreciate the convenience of an online tool.

Why this product is good

  • EasyEDA is a web-based tool that provides a comprehensive suite for electronic design including schematic capture, spice simulation, PCB design, and PCB order. It is praised for its user-friendly interface, cloud-based accessibility, and the ability to integrate with LCSC for component procurement. The tool also offers a vast library of components and allows collaboration among team members which can be a strong advantage for projects that require teamwork.

Recommended for

    EasyEDA is recommended for electronics hobbyists, students, educators, startup engineers, and small businesses focused on rapid prototyping and cost-effective PCB design. It's also ideal for collaborative projects that benefit from cloud-based tools.

avr8js videos

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EasyEDA videos

+ Add

EasyEDA - Free Schematic & PCB Design + Simulation Software Review

More videos:

  • Tutorial - EasyEDA Full TUTORIAL + Create Component + TIPS
  • Tutorial - How to design a custom PCB using EasyEDA || JLCPCB Review

Category Popularity

0-100% (relative to avr8js and EasyEDA)

avr8js

EasyEDA

Electronics
9 9%
Electronics
91% 91
Simulation
6 6%
Simulation
94% 94
CAD
100 100%
CAD
0% 0
Design Tools
20 20%
Design Tools
80% 80

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare avr8js and EasyEDA

avr8js Reviews

We have no reviews of avr8js yet.
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EasyEDA Reviews

11 KiCad Alternatives
EasyEDA is a robust online application for designing Printed Circuit Boards with capabilities such as schematic capture, PCB design, library design, project management, and team collaboration. Designers, engineers, and simulation professionals with the ability to construct public or private projects will benefit from the tool. EasyEDA enables the development and editing of...
Source: www.justalternativeto.com
Best Free Circuit Simulation software for Windows 10
EasyEDA has tons of devices and you wonโ€™t feel like you are missing out on anything in particular. However, these online tools are not as powerful as freeware. But, if you just want to design and simulate circuits then it is a nice option and can be accessed from their official website.
Source: www.thewindowsclub.com
Best circuit simulation software for electronics engineers
EasyEDA is an amazing free online circuit simulator which is very suitable for everyone who loves electronic circuit. EasyEDA approximates some LTspice IV, but with a somewhat more friendly interface. This simulator is also very powerful , which can verify analog, digital, and mixed signal circuits with spice subcircuits and models and get results quickly from the...
Source: microcontrollerslab.com
Electronic circuit design and simulation software list
EasyEDA โ€“ EasyEDA is another free software that doesnโ€™t require downloading. You can just signup and use the software, you can even try it without a signup but to download/save what you made you have to have an account which is ofcourse free.
Source: www.circuitstoday.com

Social recommendations and mentions

Based on our record, EasyEDA seems to be more popular. It has been mentiond 44 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

avr8js mentions (0)

We have not tracked any mentions of avr8js yet. Tracking of avr8js recommendations started around May 2026.

EasyEDA mentions (44)

  • Show HN: I built a synth for my daughter
    As a hobbyist, I have had a good experience using EasyEDA [0]. It's free to use, with the caveat that you are pretty locked in to their PCB ordering service from China. However, pricing is crazy good, like <$50 total for 5 PCB's (although there will be tariffs). Regarding your mental model, it's more like a 2-step process. First, you draw the netlist, which is the electrical circuit diagram. It's this stage you... - Source: Hacker News / 8 months ago
  • LibrePCB โ€“ Create electronics the easy way
    Https://easyeda.com/ is another alternative that has PCB factories backing it up. - Source: Hacker News / almost 3 years ago
  • What is "this type" of PCB "called"
    a bunch of pcb manfacturing places have their own layout software which may or may not suite your needs. E.g. JLCPCB is a very good board manufacturer (and cheap to boot), and their EasyEDA software looks sane. Digikey has SnapEDA etc. Source: about 3 years ago
  • Can someone explain how this white LED works?
    It depends how good your electronics are or whether you're willing to invest time into learning PCB design. The capacitor's values can be found using an LCR meter, it will be a bit fiddly and you'll want to remove them from the flex PCB before testing. LCR meter can be picked up cheap on Amazon. Looks like a relatively simple circuit too, so you can trace it out quite easily. Then just measure up the PCB and you... Source: about 3 years ago
  • how to make/design your own custom Arduino for specific purposes
    There are lots of free tools out there, but I would suggest EasyEDA. Backed by JLCPCB, one of the best PCB makers in China, you could design your schematic and PCB and then have JLCPCB make the circuit boards for you. Everything is online and free, with lots of support. Source: about 3 years ago
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What are some alternatives?

When comparing avr8js and EasyEDA, you can also consider the following products

Wokwi Arduino Simulator - IoT and Embedded System Simulator: ESP32, STM32, Arduino, Raspberry Pi Pico, displays, sensors, motors and WiFi simulation.

Autodesk EAGLE - Autodesk EAGLE is an electronic design automation (EDA) software.

Autodesk Tinkercad - Tinkercad is a super easy-to-use, browser based 3D design tool.

Altium Designer - PCB Design Software

Velxio - Velxio is a free, open-source online circuit simulator.

KiCad - A Cross Platform and Open Source Electronics Design Automation Suite

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