🎯 Latest Stable Release

Released on October 09, 2025

Release Notes

This is getting pretty close the a 1.0 release

Main updates:

  • All new next.js UI is much cleaner and easier to make sense of. The original esphome web interface exists at /esphome
  • Adjustable humidity hysteresis band - you can set this to 0 to recreate the original set-point model of the original shrooly
  • Added an optional temperature control - this will expose a Heat Requested sensor to Home Assistant which can be used to turn on a heating source
  • Fixes to https://github.com/grahamsz/openshrooly/issues/7 and https://github.com/grahamsz/openshrooly/issues/11 - shrooly should automatically try to reconnect to WiFi if it goes away

Web Install

Install OpenShrooly 0.9.0 directly from your browser - no downloads or command line required!

🚀 Install v0.9.0

Requires Chrome, Edge, or Opera browser on desktop and a USB cable

Direct Downloads

Factory Binary

openshrooly-esp32s3.factory.bin

1.6 MB

For first-time installation or recovery

OTA Binary

openshrooly-esp32s3.ota.bin

1.5 MB

For updating existing installations

More Information

View this release on GitHub: Release 0.9.0