Third-party notices
===================

Ported S21 controls and telemetry
--------------------------------

This project includes code adapted from marni-xyz/pybls21 for timer and
weekly-schedule activation, alarm details, timer and filter countdowns,
airflow, operating time, and fan-performance readings. This notice applies
to those incorporated portions and their adaptations.

Source: https://github.com/marni-xyz/pybls21
Revision: 4bbd1189811d7e96ec501a632aac7824e2ad907d

The upstream fork attributes the operating-time, airflow, and fan-performance
additions to birdie1. Contributor acknowledgements are also recorded in the
README and Git commit history.

The source project's copyright notice and MIT license follow:

MIT License

Copyright (c) 2026 marni-xyz / 2021 Julius Vitkauskas

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
