davidmonterocrespo24/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.. Discord: https://discord.gg/3mARjJrh4E observed · 2026-08-28
Health v2 · maintenance only
82/100
- Activity 99
- Release rhythm 99
- Longevity 13
Flags: no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: 18
- age_days: 183
- days_rel: 9
- days_push: 7
- n_releases_24m: 6
Adoption not part of the score
2679 stars · 272 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
Velxio is an open-source browser-based emulator and circuit simulator for Arduino, ESP32, Raspberry Pi, STM32 and other embedded boards, running real compiled firmware (Arduino C++, MicroPython, ESP-IDF) on cycle-accurate CPU emulation with 150+ interactive electronic components. It combines AVR8/RP2040 emulation in WebAssembly, QEMU-backed ESP32/RISC-V/Raspberry Pi Linux emulation, and ngspice-based analog circuit solving, with an AI assistant for building circuits.
Use cases
- simulate arduino circuits in the browser without hardware
- test esp32 firmware before flashing to a real board
- learn electronics and embedded programming as a student
- prototype breadboard circuits with sensors like DHT22 and HC-SR04
- run a virtual raspberry pi with linux in the browser
- teach a microcontroller class without buying boards
- debug serial output and oscilloscope signals from an emulated board
When to choose
- you want to prototype or learn embedded development without physical hardware
- you need a free, open-source Wokwi-style simulator supporting many boards and CPU architectures
- you want real compiled firmware execution plus SPICE-accurate analog circuit solving in one tool
- you need a classroom-friendly, browser-accessible electronics lab
When to avoid
- you need cycle-exact timing validation for production silicon or certification
- you require boards or peripherals not in the supported catalogue
- you need a fully offline desktop tool without any backend for ESP32/Raspberry Pi emulation
- your project cannot comply with AGPLv3 and you cannot obtain a commercial license
Facets
application · maturity active
simulation embedded developer-tools gui editor embedded-systems education hardware simulation developer-tools browser wasm self-hosted arduino-simulator esp32-emulator circuit-simulator spice qemu microcontroller electronics micropython wokwi-alternative web-server docker
6 sources
- readme: https://github.com/davidmonterocrespo24/velxio · fetched 2026-08-28 · 0508d566d082
- homepage: https://velxio.dev · fetched 2026-08-29 · 02738e7c21de
- site_page: https://velxio.dev/docs · fetched 2026-08-29 · 3b90a8b572b3
- site_page: https://velxio.dev/about · fetched 2026-08-29 · 9ac15ef95c77
- site_page: https://velxio.dev/account/desktop-install · fetched 2026-08-29 · 02738e7c21de
- site_page: https://velxio.dev/pricing · fetched 2026-08-29 · 02738e7c21de
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| davidmonterocrespo24/velxio | main | 82 |
For agents
markdown · JSON · MCP: product_card(name="davidmonterocrespo24/velxio")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem