Serin

HVAC Service Software

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This open-source smart controller enhances the functionality of Mitsubishi mini-split air conditioning systems by enabling local, cloud-free, and bidirectional control through the CN105 port, eliminating privacy concerns and ongoing fees. It features a compact, seamless design that installs inside the mini-split unit without soldering, supports DIY assembly or pre-assembled options, and is compatible with platforms like ESPHome and Apple HomeKit, making it ideal for homeowners, HVAC enthusiasts, and DIY tech-savvy users seeking secure, customizable, and integrated climate control solutions.

Serin can be found in HVAC Service Software categories.

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Details

Serin Main Features

• Privacy
  All control happens locally without using the internet or cloud services.
• Open Source
  You can see, change, and help improve the firmware and tools.
• Build Options
  You can either build it yourself or buy a pre-assembled controller with everything included.
• Local Control
  Your data stays in your home and is not sent to the cloud.
• Direct Control
  It uses the CN105 port to connect directly to the mini-split for two-way control.
• HomeKit Compatibility
  It works with Apple Home app so you can control it with your iPhone or iPad.
• Multiple Units Support
  You can install one controller for each indoor unit you want to control.
• Compatibility with ESPHome
  It works with ESPHome, making it easy to set up and customize.
• Compact & Clean Installation
  It installs inside your mini-split so it looks neat and simple.

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Technologies Used

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