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Show HN: Esp32sim – Run ESP32 firmware in the browser

Esp32sim is an open-source ESP32 emulator that runs in the browser, allowing firmware to be executed without physical hardware. The goal is to simplify experimentation, testing, and simulation of ESP32 software.

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Tracking sinceOctober 18, 2026183 source points
Momentum+2.95/hover 1.02 h
Discussion34Read comments ↗
PublishedOctober 17, 2026joakimeriksson
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WHY IT MAY MATTER

The emulator could be useful for developers looking to test and experiment without needing physical hardware.

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