Velxio

Browser-based emulator for Arduino, ESP32 and Raspberry Pi boards with 48+ components

Webfree

Velxio is a browser-based emulator for Arduino, ESP32, Raspberry Pi Pico and other embedded boards. Users write Arduino C++ or Python in a built-in editor, compile it and run it against real CPU emulation with interactive components such as displays, sensors and potentiometers, including multi-board circuits on one canvas. It runs at velxio.dev without installation or can be self-hosted with Docker, and suits electronics learners and hobbyists without hardware.

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Behind the summary, Matchbox keeps a richer profile of Velxio - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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