Set up, use, and maintain your Serin Controller.

Start here

Understand your controller and choose a setup route.

• Quick start
• How it works
• Choose your firmware

Install and connect

From an unflashed board to a working indoor unit.

• Physical installation
• Home Assistant (ESPHome)
• Apple Home (HomeKit)
• Matter apps
• Set up with Serin Link

Use and configure

Adjust comfort, airflow and the temperature source.

• Everyday controls
• Open the web interface
• Indoor-unit settings
• Room temperature sensors
• How temperature control works

Maintain and recover

Keep the controller working as your home changes.

• Update firmware
• Back up and restore
• Change Wi-Fi
• Manage app pairings
• Restart and reset
• Switch firmware and USB recovery

Troubleshoot

Find the failing connection and the next useful check.

• Find a problem
• Collect diagnostics for support

Reference

Look up controls, settings, hardware and signals.

• Features and supported hardware
• Controls and entities
• Settings reference
• Status lights and buttons
• Diagnostics reference
• CN105 wiring

DIY and advanced

Build hardware or customize the firmware configuration.

• Build your own controller
• Parts and boards
• Customize ESPHome

Tools

Check your model and prepare your firmware.

• Check compatibility
• Flash firmware
• Generate ESPHome YAML