https://aggr.aymericbeaumet.com/sources/github.com/mikroverk/ Browse aymeric's, an independent, searchable archive of readable snapshots from followed feeds, preserved in Git with aggr. en Sat, 17 Oct 2026 13:51:08 +0000 aggr https://aggr.aymericbeaumet.com/items/hnrss-org/2026-10-17-show-hn-esp32sim-run-esp32-firmware-in-the-browser/ urn:aggr:item:adcca911157b2f373c58fc35a53d0662bb278850 Sat, 17 Oct 2026 13:51:08 +0000 joakimeriksson Hi HN, I’ve been working on esp32sim, an open-source ESP32 emulator that runs in the browser. The fun part of the demo is that there is no ESP32 involved — the firmware is executing in the emulator. The goal is to make ESP32 software… <p>Hi HN,</p> <p>I’ve been working on esp32sim, an open-source ESP32 emulator that runs in the browser.</p> <p>The fun part of the demo is that there is no ESP32 involved — the firmware is executing in the emulator.</p> <p>The goal is to make ESP32 software easier to experiment with, test and simulate without always needing physical hardware connected.</p> <p>Source: <a target="_blank" rel="noopener noreferrer" href="https://github.com/mikroverk/esp32sim">https://github.com/mikroverk/esp32sim</a></p> <p>I made a short video showing it in action: <a target="_blank" rel="noopener noreferrer" href="https://youtu.be/waoWFilTWEc">https://youtu.be/waoWFilTWEc</a></p> <p>I’m particularly interested in feedback from embedded developers: what would an emulator like this need to support before you’d actually use it for development, testing or CI?</p> <hr /> <p>Comments URL: <a target="_blank" rel="noopener noreferrer" href="https://news.ycombinator.com/item?id=50131189">https://news.ycombinator.com/item?id=50131189</a></p> <p>Points: 149</p> <p># Comments: 15</p> news