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tech 6 August 2026

Show HN: Two Years Designing a Mechanical Magic Keyboard

Discover how Altar II redefines mechanical keyboards with a thin design and innovative features like the M-Dial™ and Harmonic Synthesiser™.

Article inspired by the original source
Show HN: I spent 2 years designing a mechanical Magic Keyboard ↗ electronicmaterialsoffice.com

Introduction

In a world where mechanical keyboards are often associated with robust typing experiences and rather bulky designs, Altar II is a game-changer. Imagine a mechanical keyboard that combines slimness, durability, and cutting-edge technology. After two years of designing, Altar II doesn't just aim to be a keyboard; it redefines what a keyboard can be.

Unmatched Thinness

Altar II stands out with its incredible thinness. At just 4.75 mm thick, it far surpasses the market standards, even those of non-mechanical models like the Logitech MX Keys (20.50 mm) or the NuPhy Air75 (21.00 mm). This ultra-slim design is made possible through advanced engineering that uses a laterally arranged preloaded tension spring to reduce the vertical travel depth to just 1.8 mm.

Exceptional Typing Experience

The typing experience on the Altar II is a true pleasure thanks to its high-precision mechanical switches. Unlike traditional keyboards, Altar II offers precise tactile feedback while maintaining impressive durability with its steel construction. This combination guarantees a long operating life, an invaluable asset for professionals.

Innovative M-Dial™

One of the most innovative features of the Altar II is the M-Dial™, a magnetically detachable and clickable dial. It allows not only volume adjustment but also media control and even Siri activation with a simple press. Users can also fully customize the functionalities of the M-Dial™ via the dedicated companion app, offering unmatched flexibility and personalization.

Harmonic Synthesiser™ and Haptic Feedback

The keyboard also integrates the Harmonic Synthesiser™, a technology that provides subtle and expressive haptic feedback. This system enables new interactions with the computer, providing tactile feedback for notifications or reminders. The ability to adjust the intensity and behavior of the haptic feedback through the EMO app adds another layer of customization that enriches the user experience.

Native Mac Application

Specifically designed for macOS, the native application allows for customization of every aspect of Altar II, from app-specific shortcuts like Figma or Visual Studio Code to backlight levels. This close integration with the Mac ecosystem ensures a smooth and intuitive user experience.

Conclusion

Altar II is not just a keyboard; it's a revolution in the design and functionality of mechanical keyboards. With its ultra-thin profile, innovative features, and extensive customization options, it caters to professionals who demand the best from their hardware. If you're interested in discussing how Altar II can transform your workspace, let's discuss your project in 15 minutes.

clavier mécanique Altar II M-Dial Haptic Feedback design mince
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