/** * /v2 — Velxio 2.0 Release Landing Page * Showcases all new features, supported boards, and community CTAs */ import React from 'react'; import { Link } from 'react-router-dom'; import { AppHeader } from '../components/layout/AppHeader'; import { useSEO } from '../utils/useSEO'; import raspberryPi3Svg from '../assets/Raspberry_Pi_3_illustration.svg'; import './SEOPage.css'; import './Velxio2Page.css'; const GITHUB_URL = 'https://github.com/davidmonterocrespo24/velxio'; const DISCORD_URL = 'https://discord.gg/rCScB9cG'; /* ── SVG Icons (no emojis) ─────────────────────────────── */ const IcoRocket = () => ( ); const IcoChip = () => ( ); const IcoCpu = () => ( ); const IcoSensor = () => ( ); const IcoTerminal = () => ( ); const IcoTestTube = () => ( ); const IcoPaintbrush = () => ( ); const IcoBook = () => ( ); const IcoWrench = () => ( ); const IcoGitHub = () => ( ); const IcoDiscord = () => ( ); const IcoStar = () => ( ); const IcoRefresh = () => ( ); const JSON_LD: object[] = [ { '@context': 'https://schema.org', '@type': 'SoftwareApplication', name: 'Velxio 2.0 — Multi-Board Embedded Systems Simulator', applicationCategory: 'DeveloperApplication', operatingSystem: 'Any (browser-based)', softwareVersion: '2.0.0', description: 'Velxio 2.0 — a free, open-source multi-board embedded systems simulator. 19 boards, 5 CPU architectures, QEMU-based ESP32 emulation, sensor simulation, 68+ examples. Runs in your browser.', url: 'https://velxio.dev/v2', offers: { '@type': 'Offer', price: '0', priceCurrency: 'USD' }, author: { '@type': 'Person', name: 'David Montero Crespo' }, license: 'https://www.gnu.org/licenses/agpl-3.0.html', }, { '@context': 'https://schema.org', '@type': 'BreadcrumbList', itemListElement: [ { '@type': 'ListItem', position: 1, name: 'Velxio', item: 'https://velxio.dev/' }, { '@type': 'ListItem', position: 2, name: 'Velxio 2.0', item: 'https://velxio.dev/v2' }, ], }, ]; const CHANGE_SECTIONS = [ { icon: , title: 'Multi-Board Support', color: '#007acc', items: [ 'Raspberry Pi 3B — full Linux (ARM Cortex-A53 via QEMU raspi3b)', 'ESP32 / ESP32-S3 / ESP32-CAM — Xtensa LX6/LX7 via QEMU', 'ESP32-C3 / CH32V003 — RISC-V RV32IMC, browser-native', 'RP2040 — Raspberry Pi Pico / Pico W (ARM Cortex-M0+)', 'ATtiny85, ATmega2560, Leonardo, Pro Mini — AVR8 via avr8js', 'Multi-board canvas — mix architectures on the same simulation', ], }, { icon: , title: 'Advanced Emulation', color: '#c8701a', items: [ 'ESP32 emulation via QEMU (Xtensa) with GPIO, ADC, timers', 'SYSTIMER, timer group, and SPI flash/EXTMEM stubs', 'ROM function emulation for ESP32 boot sequence', 'Enhanced RP2040 dual-core ARM simulation', 'Virtual File System for Raspberry Pi 3 (full Linux OS)', 'Real arduino-cli compilation producing .hex / .bin / .uf2 files', ], }, { icon: , title: 'Sensor Simulation', color: '#4a9e6b', items: [ 'DHT22 — accurate timing and synchronous protocol handling', 'HC-SR04 — ultrasonic distance measurement with trigger/echo', 'Servo motor — configurable sweep with PWM emulation', 'Potentiometer and analog sensor improvements', 'Generic sensor registration system for extensibility', 'Improved timing accuracy and component interactions', ], }, { icon: , title: 'Testing', color: '#a8304d', items: [ 'ESP32 test modules and integration test suites', 'Multi-board integration tests across architectures', 'Arduino serial communication integration testing', ], }, { icon: , title: 'UI/UX Improvements', color: '#8957e5', items: [ 'Enhanced simulator canvas — wire handling and segment dragging', 'Improved z-index layering and component rendering', 'Oscilloscope and multi-board picker enhancements', 'Sensor Control Panel for interactive sensor adjustment', 'New visual components for all supported board families', 'Mobile-first responsive design with code/circuit tab switcher', ], }, { icon: , title: 'Documentation', color: '#1a7f37', items: [ 'Full documentation site with 10+ pages', 'Board gallery with all 19 supported boards', 'ESP32 emulation guide (Xtensa + RISC-V)', 'RP2040 and Raspberry Pi 3 documentation', 'CodeBlock component with syntax highlighting', ], }, { icon: , title: 'Refactoring & Cleanup', color: '#6e7681', items: [ 'Codebase refactors for readability and maintainability', 'Removed deprecated scripts and unused code', 'Simplified logging and internal data structures', ], }, { icon: , title: 'Tooling & Integrations', color: '#b08800', items: [ 'Discord notification workflow for issues', 'Wokwi elements integrated into Landing Page visuals', 'Scripts for automated example generation', 'Docker standalone image published to GHCR + Docker Hub', ], }, ]; export const Velxio2Page: React.FC = () => { useSEO({ title: 'Velxio 2.0 — Multi-Board Embedded Simulator | ESP32, Raspberry Pi, Arduino, RISC-V', description: 'Velxio 2.0 is here. 19 boards, 5 CPU architectures, QEMU-based ESP32 emulation, realistic sensor simulation, 68+ examples. A free, open-source multi-platform embedded systems simulator.', url: 'https://velxio.dev/v2', jsonLd: JSON_LD, }); return (
{/* ── Hero ── */}
Version 2.0

Velxio 2.0
Multi-Platform Embedded Simulator

19 boards across 5 CPU architectures — AVR8, RP2040, RISC-V, Xtensa, and ARM Linux. QEMU-based ESP32 emulation, realistic sensor simulation, 68+ ready-to-run examples. Free, open-source, runs in your browser.

Try Velxio 2.0 View on GitHub
{/* Community CTAs */}
{/* ── Boards showcase ── */}

19 boards. 5 architectures. One tool.

From 8-bit AVR to quad-core ARM Linux — Velxio 2.0 emulates every major embedded platform in a single browser tab.

{/* AVR8 */}
avr8js AVR8 -- ATmega -- 16 MHz
Arduino Uno Arduino Uno
Arduino Nano Arduino Nano
Arduino Mega 2560 Mega 2560
{/* RP2040 */}
rp2040js RP2040 -- ARM Cortex-M0+ -- 133 MHz
Raspberry Pi Pico Pi Pico
Raspberry Pi Pico W Pi Pico W
{/* RISC-V */}
Browser-native RISC-V -- RV32IMC -- 160 MHz
ESP32-C3 ESP32-C3
XIAO ESP32-C3 XIAO C3
ESP32-C3 SuperMini C3 SuperMini
{/* Xtensa QEMU */}
QEMU Xtensa Xtensa LX6/LX7 -- 240 MHz
ESP32 DevKit ESP32 DevKit
ESP32-S3 ESP32-S3
ESP32-CAM ESP32-CAM
XIAO ESP32-S3 XIAO S3
Nano ESP32 Nano ESP32
{/* ARM Linux */}
QEMU ARM ARM Cortex-A53 -- Linux -- 1.2 GHz
Raspberry Pi 3B Raspberry Pi 3B
{/* ── Changelog ── */}

What's new in 2.0

A complete transformation into a multi-platform embedded systems simulator — more boards, more accurate emulation, better developer experience.

{CHANGE_SECTIONS.map((section) => (
{section.icon}

{section.title}

    {section.items.map((item) => (
  • {item}
  • ))}
))}
{/* ── Examples ── */}

68+ ready-to-run examples

From basic LED blink to multi-board communication — examples for every platform and skill level.

Arduino (17 examples)

Blink, traffic light, button, fade, RGB LED, Simon Says game, TFT display, LCD, I2C scanner, SPI loopback, and more.

Raspberry Pi Pico (18 examples)

Blink, serial, I2C (scanner, RTC, EEPROM), SPI, ADC read, DHT22, HC-SR04, servo, joystick, NTC sensor.

ESP32 (9 examples)

Blink, serial echo, 7-segment, DHT22, HC-SR04, MPU6050 IMU, PIR motion, servo, joystick.

ESP32-C3 RISC-V (9 examples)

Blink, serial, RGB LED, button + LED, serial echo, DHT22, HC-SR04, PIR, servo.

Arduino Mega (5 examples)

Blink, LED chase, serial echo, serial control, 7-segment display.

Arduino Nano (4 examples)

Blink, button LED, fade, serial echo. Plus multi-board Pi-to-Arduino control.

Browse All Examples
{/* ── Outcome ── */}

The outcome

Velxio 2.0 transforms the project into a complete, scalable multi-platform embedded systems simulator.

More realistic emulation

QEMU-based Xtensa and ARM emulation. Browser-native RISC-V. Cycle-accurate AVR8 via avr8js. Real firmware execution, not approximations.

Broader hardware support

19 boards across 5 CPU architectures. From 8-bit ATtiny85 to quad-core Raspberry Pi 3B running full Linux.

Better developer experience

Monaco editor, multi-file workspace, library manager, oscilloscope, sensor control panel, mobile-responsive design.

{/* ── Bottom CTA ── */}

Try Velxio 2.0 now

Open the editor and start simulating — 19 boards, 68+ examples, zero setup.

Launch Simulator
Home Examples Documentation Arduino Simulator ESP32 Simulator RP2040 Simulator Pi 3 Simulator
); };