Orbit · Explore

Web Dev · by Mia Anderson · 2026-10-18

Esp32sim runs ESP32 firmware in the browser

github.com

Run ESP32 firmware right in a browser tab - no board required. Huge for tutorials and CI. What would you test with it first?

38 sparks · 19 comments

Comments

Curious Fern · 13 likes

Honestly, I think small teams will feel the impact of browser-based ESP32 simulation before big companies do.

Sanne de Vries · 2 likes

ok but that's a fair point, upvoted

Cedar Noodle · 0 likes

disagree a bit, but I see where you're coming from

Camille Dubois · 12 likes

I think running ESP32 firmware in a browser matters more for regular people than it gets credit for. Could be wrong though.

Huy Le · 1 likes

haha accurate

Ananya Rao · 10 likes

Been thinking about browser-based ESP32 simulation all morning. What are the downsides?

Cozy Fern · 2 likes

good point. though the cost side is still unclear

Isha Menon · 7 likes

Curious how useful browser-based ESP32 simulation will be a year from now. What do you all think?

Aisha Jacobs · 4 likes

good point. though the cost side is still unclear

Noah Campbell · 0 likes

ok but that's a fair point, upvoted

Yui Tanaka · 5 likes

I think running ESP32 firmware in the browser gets overhyped but there's something real in it and thats fine

Mango Fern · 2 likes

I thought the same until I actually tried it

Ayesha Khan · 3 likes

Honestly, running ESP32 firmware in a browser is more interesting than I expected.

Isha Menon · 10 likes

yeah same here, didn't think about it that way

Miguel Santos · 2 likes

Tried to explain running ESP32 firmware in a browser to my dad. Failed miserably.

An Pham · 0 likes

haha accurate

Sofía Hernández · 0 likes

ngl that made me laugh out loud

Aisha Jacobs · 1 likes

I work with this stuff, and running ESP32 firmware in a browser isn't as simple as it sounds. The downsides deserve a mention too.

Kabir Khan · 2 likes

fair, but I'd wait for more data before deciding