# Serin Controller manual

> Set up, use, maintain and troubleshoot your Serin Controller. Find instructions for ESPHome, HomeKit-compatible and Matter-compatible firmware.

Source: https://serin-labs.com/controller/manual.html
Last updated: 2026-10-27

Set up, use, and maintain your Serin Controller.

## Start here

Understand your controller and choose a setup route.

- [Quick start](https://serin-labs.com/setup.html)
- [How it works](https://serin-labs.com/controller/overview.html)
- [Choose your firmware](https://serin-labs.com/controller/firmware.html)

## Install and connect

From an unflashed board to a working indoor unit.

- [Physical installation](https://serin-labs.com/controller/install.html)
- [Home Assistant (ESPHome)](https://serin-labs.com/esphome/setup.html)
- [Apple Home (HomeKit)](https://serin-labs.com/homekit/setup.html)
- [Matter apps](https://serin-labs.com/matter/setup.html)
- [Set up with Serin Link](https://serin-labs.com/controller/link.html)

## Use and configure

Adjust comfort, airflow and the temperature source.

- [Everyday controls](https://serin-labs.com/controller/everyday-use.html)
- [Open the web interface](https://serin-labs.com/controller/web-interface.html)
- [Indoor-unit settings](https://serin-labs.com/controller/unit-settings.html)
- [Room temperature sensors](https://serin-labs.com/controller/room-sensors.html)
- [How temperature control works](https://serin-labs.com/controller/temperature.html)

## Maintain and recover

Keep the controller working as your home changes.

- [Update firmware](https://serin-labs.com/controller/updates.html)
- [Back up and restore](https://serin-labs.com/controller/backups.html)
- [Change Wi-Fi](https://serin-labs.com/controller/wifi.html)
- [Manage app pairings](https://serin-labs.com/controller/pairing.html)
- [Restart and reset](https://serin-labs.com/controller/reset.html)
- [Switch firmware and USB recovery](https://serin-labs.com/controller/recovery.html)

## Troubleshoot

Find the failing connection and the next useful check.

- [Find a problem](https://serin-labs.com/troubleshooting.html)
- [Collect diagnostics for support](https://serin-labs.com/controller/support-info.html)

## Reference

Look up controls, settings, hardware and signals.

- [Features and supported hardware](https://serin-labs.com/controller/features.html)
- [Controls and entities](https://serin-labs.com/controller/controls.html)
- [Settings reference](https://serin-labs.com/controller/settings.html)
- [Status lights and buttons](https://serin-labs.com/controller/status-lights.html)
- [Diagnostics reference](https://serin-labs.com/controller/diagnostics.html)
- [CN105 wiring](https://serin-labs.com/wiring.html)

## DIY and advanced

Build hardware or customize the firmware configuration.

- [Build your own controller](https://serin-labs.com/controller/diy.html)
- [Parts and boards](https://serin-labs.com/parts.html)
- [Customize ESPHome](https://serin-labs.com/controller/customize-esphome.html)

## Tools

Check your model and prepare your firmware.

- [Check compatibility](https://serin-labs.com/compatibility.html)
- [Flash firmware](https://serin-labs.com/flash.html)
- [Generate ESPHome YAML](https://serin-labs.com/esphome/generate-yaml.html)