NightHammer1000

NightHammer1000 / sc2dsu

Public

Cemuhook DSU server for the 2026 Steam Controller gyro/buttons/axis

15
2
100% credibility
Found May 17, 2026 at 15 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Rust
AI Summary

SC2DSU is a free program that lets you use the motion sensors (gyroscope and accelerometer) from a 2026 Steam Controller for aiming in video game emulators. It acts as a bridge: it reads the raw motion data from your controller and converts it into a standard format that emulators like Cemu, Eden, and Citra can understand. The program runs on your computer, shows you a settings window where you can adjust how the motion axes are mapped, and sends the data over your local network to your emulator. It includes automatic calibration to keep the gyro steady and can run either with a visible window showing live motion visualization or hidden in the background while you play.

How It Works

1
🎮 You want motion controls in your emulator

You've got a new Steam Controller and want to use its tilt sensors for aiming in games, but your emulator doesn't seem to pick up the motion.

2
🔧 You find a tool that bridges the gap

This little program reads your controller's motion data and sends it to your emulator in a format it understands, like a translator between two languages.

3
📥 You download and run the program

You grab the executable from the releases page and launch it. A small settings window appears where you can adjust how the motion axes are mapped.

4
🔌 The program connects to your controller

It automatically finds your Steam Controller and starts reading its gyroscope and accelerometer data, showing you live readings in the window.

5
⚙️ You fine-tune the axis directions if needed

If aiming feels backwards or sideways, you can flip or swap the motion axes in the settings. Changes save instantly and take effect right away.

6
Two ways to run it
🖥️
Visible mode

See a 3D visualization of your controller's orientation and real-time stats while you play.

🔕
Hidden mode

It sits quietly in the background, only showing up as an icon in your system tray.

7
🎮 Your emulator picks up the motion

You tell your emulator to look for motion data at your computer, and suddenly your controller's tilt controls your aim just like on a modern console.

✨ You nail every shot with gyro aiming

The motion controls work just like they should, giving you precise aiming in games that support the Cemuhook protocol.

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AI-Generated Review

What is sc2dsu?

sc2dsu is a Rust-based UDP server that bridges the 2026 Steam Controller's gyroscope and accelerometer to emulators via the Cemuhook DSU protocol. Steam Input handles button presses; sc2dsu handles motion. Point your emulator at 127.0.0.1:26760, and the tool streams IMU data in the format Cemuhook clients expect. It ships as a single executable with three run modes: a settings GUI, a system tray daemon, or a headless server for automated setups. Axis remapping and inversion are configurable live, and auto-calibration continuously estimates gyro bias when the controller is stationary.

Why is it gaining traction?

The 2026 Steam Controller hardware is new, and emulators do not yet support its IMU natively. Rather than waiting for native drivers, this tool speaks the protocol that Dolphin, Cemu, and Eden already understand. The author built it for their own use with the Proteus Puck, documented the limitations clearly, and released binaries. The Rust implementation is lean and includes basic CI checks.

Who should use this?

Emulator users who want gyro aiming or motion controls with the 2026 Steam Controller and do not want to wait for native support. It is specifically useful for Cemu, Eden, and similar tools that already consume Cemuhook DSU feeds. If you are running RPCS3 or other emulators with native Steam Input support, you do not need this.

Verdict

This fills a real gap for a specific, niche audience. The credibility score of 1.0% reflects the project's age and star count, so treat it as a personal tool that happens to be open source rather than a battle-hardened library. Test it with your hardware before committing to it in a workflow. If you own a Proteus Puck and run emulators that support Cemuhook, it is worth a try.

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