davidmonterocrespo24

davidmonterocrespo24 / velxio

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An open source Arduino simulator as a Wokwi alternative. Discord: https://discord.gg/rCScB9cG

velxio.dev arduino esp32 simulation wokwi
94
6
100% credibility
Found Mar 10, 2026 at 79 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
TypeScript
AI Summary

Velxio is a fully local, browser-based Arduino emulator for writing, compiling, and simulating sketches with real CPU emulation and interactive components.

How It Works

1
🌐 Discover Velxio

You find the Arduino emulator online and visit the live demo page.

2
🚀 Jump into the editor

Click to open the full code editor and simulator right in your browser—no setup needed.

3
✏️ Build your circuit

Drag electronic parts like LEDs and buttons onto the canvas and connect them with wires.

4
⚡ Write and compile code

Type your Arduino sketch in the smart editor, then hit compile to check it instantly.

5
▶️ Run the simulation

Press play to watch your circuit come alive with real chip timing and serial output.

6
💾 Save your project

Sign up for a free account to save, name, and share your creation with a unique link.

🎉 Share your working project

Anyone can load and remix your circuit from the link—your Arduino idea is now online forever.

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AI-Generated Review

What is velxio?

Velxio is an open-source Arduino simulator positioned as a fully local Wokwi alternative, letting you write, compile, and run sketches entirely in the browser with TypeScript frontend and Python backend. Drag-drop 48+ components like LEDs, pots, and displays onto a canvas, wire them up orthogonally, and simulate real AVR8 (Uno/Nano/Mega) or RP2040 (Pico) CPUs at 60 FPS, complete with serial monitor and library manager for arduino github library install. Self-host via one Docker command for arduino simulator offline free download.

Why is it gaining traction?

Unlike cloud-based tools, velxio runs locally with no accounts or limits, supporting arduino esp32 and arduino github integration for quick library tests without hardware. The Monaco editor handles multi-file workspaces, auto-installs cores/libraries from the full Arduino index, and exports to Wokwi zips—perfect for arduino simulator deutsch users seeking kostenlos deutsch options. Its wire editing and property dialogs feel polished, drawing devs from Wokwi's waitlists.

Who should use this?

Arduino hobbyists prototyping circuits, github student pack users learning embedded without boards, and educators demoing sketches in class. Great for devs validating arduino github copilot generated code or testing arduino github ebus/esp32 libraries pre-hardware.

Verdict

At 47 stars and 1.0% credibility, velxio feels early but delivers a mature UX with excellent docs and effortless Docker deploys. Grab it as your go-to arduino simulator wokwi alternative if offline simulation fits.

(198 words)

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