Gran Darts Gran Eye Auto Scoring System

Gran Eye – AI-Powered Auto Scoring for Steel Tip Darts

Gran Eye is an automatic scoring system powered by AI, specially trained for steel tip darts. No special equipment required. Built to recognize a wide range of darts, dart boards, and lighting conditions, it brings intelligent autoscoring to your existing setup.

Precautions regarding the power adapter
To ensure stable operation of GRAN EYE, please use a USB Type-C power adapter that supports USB Power Delivery (PD).

Recommended Adapter Type:

- USB Type-C with PD (Power Delivery) support
- Output: 20W or higher is ideal
- These adapters are widely available in electronics stores

Why PD support matters:
Using a recommended PD adapter helps maintain a stable connection and ensures the camera works smoothly.

Advisory:
USB Type-A adapters or Type-C adapters without PD support may not provide consistent power, which could lead to unstable operation.

AI Scoring, Just Like a Human Eye
Gran Eye uses advanced deep-learning AI to understand dart shapes and positions, calculating scores just as accurately as a trained human eye.
- Adapts seamlessly to all lighting conditions
- Learns and adjusts to new setups automatically
- Constantly improving through AI updates

With every update, Gran Eye becomes a smarter, more reliable companion for your darts sessions.

Fast and Accurate
- Scoring Speed: 0.87 seconds (depending on network device conditions, device spec)
- Scoring Accuracy: 99.3% (based on mAP50)

Zoom View for Close Call Checks
See exactly where your dart landed with automatic zoom-in on the impact point. Even close calls are easy to confirm, ensuring fair and accurate play.

No Special Equipment Needed
You don’t need a special board or ring light system. GRAN EYE works with your current setup—just mount it and start playing. It’s an easy, seamless upgrade to your steel darts environment.

GranDarts App
Maximize your experience with the dedicated GranDarts app. It’s completely free to use—no subscription required.

Recommended devices for Gran Eye

iOS device

iPhone series
 - iPhone 12 and later (including mini)
 - Models released after October 2020
   
iPhone SE series
- iPhone SE (2nd generation) and later
- Models released after April 2020

iPhone Pro series
- iPhone 11 Pro and later (including Max)

- Models released after October 2019
   
iPad series   

- iPad 9th generation and later

- Models released after September 2021
   
iPad Air series
- iPad Air 4th generation or later
- Models released after October 2020
   
iPad mini series
- iPad mini 6th generation or later
- Models released after September 2021
   
iPad Pro series
- 12.9-inch iPad Pro 5th generation or later

- 11-inch iPad Pro (3rd generation or later)
- Models released after May 2021
   
Android devices

Specifications that meet operational requirements
    - Equipped with Snapdragon 870 or later SoC
    - Equipped with Snapdragon 8 Gen 2 or later SoC
    - Equipped with Google Tensor G2 or later SoC
   
Devices on which operation has been confirmed
   - Xiaomi Pad 6
    https://www.mi.com/global/product/xiaomi-pad-6/specs/
   - Xiaomi Pad　6sPro
    https://www.mi.com/global/product/xiaomi-pad-6s-pro-124/
   - Google Pixel 7a
    https://store.google.com/config/pixel_7a?hl=en-US
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