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Velxio, Arduino Emulator

2 days ago
  • #Emulator
  • #Open-source
  • #Arduino
  • Velxio is a free, open-source Arduino emulator that runs in your browser.
  • Features real ATmega328p (AVR8) and Raspberry Pi Pico (RP2040) emulation.
  • Includes 48+ interactive electronic components and a Monaco Code Editor with C++/Arduino syntax highlighting.
  • Supports arduino-cli compilation, Serial Monitor, Library Manager, and multi-file workspaces.
  • Offers I2C, SPI, USART, ADC, PWM support and ILI9341 TFT display simulation.
  • Can be self-hosted using Docker with a simple command.
  • Supported boards include Arduino Uno (ATmega328p) and Raspberry Pi Pico (RP2040).
  • Velxio is a free, self-hosted alternative to Wokwi, running entirely in the browser.
  • Works offline for simulations, but compilation requires arduino-cli backend.
  • Licensed under GNU AGPLv3, with a commercial license available for proprietary integrations.