Velxio icon
Velxio icon

Velxio

Emulate Arduino, ESP32 & Raspberry Pi. in your browser. Write code, compile, and run on 19 real boards — Arduino Uno, ESP32, ESP32-C3, Raspberry Pi Pico, Raspberry Pi 3, and more. No hardware, no cloud, no limits.

Raspberry Pi Pico simulation — ADC read test with two potentiometers, Serial Monitor showing live output, and compilation console at the bottom.

Cost / License

  • Freemium (Subscription)
  • Open Source

Platforms

  • Online
  • Self-Hosted  Can install Self-Hosted either through Docker or manual setup.
Arduino Uno driving an ILI9341 240×320 TFT display via SPI — rendering a real-time graphics demo using Adafruit_GFX + Adafruit_ILI9341.
Library Manager loads the full Arduino library index on open — browse and install libraries without typing first.
+3
Component Picker showing 48 available components with visual previews, search, and category filters.
Velxio alternatives  
15likes
5alternatives
0articles

Features

Velxio News & Activities

Highlights All activities

Recent News

No news, maybe you know any news worth sharing?
Share a News Tip

Recent activities

  • Chezpuffboi liked Velxio
  • Creative_joe liked Velxio
  • dimanesterchuk liked Velxio
  • davidmonterocrespo24 reviewed Velxio  

    It's an incredible circuit simulator, and it's also powered by AI.

  • davidmonterocrespo24 thinks Arduino is a important feature of Velxio
  • davidmonterocrespo24 thinks Circuit Simulation is a important feature of Velxio
  • davidmonterocrespo24 liked Velxio
  • benjamindahl liked Velxio
  • Balajitechlabs liked Velxio
  • Vesanerie liked Velxio

Velxio information

  • Developed by

    UY flagdavidmonterocrespo24

  • Licensing

    Open Source and Freemium product.

  • Pricing

    Subscription ranging between $15 and $35 per month + free version with limited functionality.

  • Written in

  • Alternatives

    5 alternatives listed

  • Badge

    Get an embeddable badge for Velxio

  • Supported Languages

    • English
    • Spanish
    • Italian
    • French
    • German
    • Japanese
    • Russian

AlternativeTo Category

Education & Reference

GitHub repository

  •  2,874 Stars
  •  291 Forks
  •  18 Open Issues
  •   Updated  
View on GitHub

Popular alternatives

View all

Our users have written 2 comments and reviews about Velxio, and it has gotten 15 likes

Velxio was added to AlternativeTo by guharfuh on and this page was last updated .

Comments and Reviews

   
Top Positive Comment
alelondon
0

Great idea. Clean.

davidmonterocrespo24
0

It's an incredible circuit simulator, and it's also powered by AI.

Review from a new or low-activity account — shown here, but not counted in the app rating.

Featured in Lists

Web Applications

Only freemium/free services, no trialware, no installation needed.

List by Creative_joe with 47 apps, updated

Official Links

AppStores & Other Links

What is Velxio?

A fully local, open-source multi-board emulator. Write Arduino C++ or Python, compile it, and simulate it with real CPU emulation and 48+ interactive electronic components — all running in your browser.