Gran-Eye Scoring System
GRAN EYE Scoring System – Automatic Scoring with Only Two Cameras
The GRAN EYE Scoring System brings automatic scoring to your classic steel-tip dartboard without requiring you to completely remodel your existing dart setup. The GRAN DARTS system works with just two compact cameras, an echo sound sensor, and AI-based hit detection.
A major advantage of GRAN EYE is that you can continue to use your existing dartboard and lighting. The two cameras are positioned to the sides of the board, integrating relatively discreetly into your current setup.
Via the GRAN DARTS App, detected hits are automatically evaluated, and the score is calculated. In addition to local games, training and online features are also available.
At Diplomatgames, you'll find the GRAN EYE Scoring System for a modern and convenient steel-tip dart setup.
How does GRAN EYE work?
GRAN EYE combines two different technologies:
Cameras + Echo Sound Sensor
The two cameras observe the dartboard from different angles. Simultaneously, the Echo Sensor detects the sound when a dart hits the board.
The Echo Sensor signals to the system that a new dart has been thrown. Subsequently, the camera images are analyzed, and the AI determines the dart's position.
The detected hit is then automatically transmitted to the GRAN DARTS App, and the score is calculated.
This means you no longer have to manually enter your scores after each throw.
Only two cameras
A special feature of the GRAN EYE system is its compact camera design.
While other automatic scoring systems sometimes use three or four cameras around the dartboard, GRAN EYE only requires:
- one camera on the left
- one camera on the right
GRAN DARTS uses powerful Sony image sensors for this purpose.
The cameras were developed to reliably capture dart tips even in less than optimal lighting conditions.
This means GRAN EYE does not require a large camera ring around the entire dartboard.
Echo Sensor detects impact
In addition to the cameras, GRAN EYE features the Echo Sensor.
This acoustically detects when a dart hits the dartboard.
The system thus knows when a new throw has occurred and when the cameras or AI need to analyze the next hit.
The combination of:
2 Cameras + Echo Sensor + AI
distinguishes GRAN EYE technically from many other automatic dart scoring systems.
AI-based hit detection
GRAN EYE uses artificial intelligence to determine the position of darts on the board.
The camera images are analyzed, and the software recognizes which segment the dart tip is in.
This allows the system to automatically distinguish between, for example:
- Single
- Double
- Triple
- Bull
- Bullseye
The AI can also be further developed through software and model updates.
In the settings, the AI model used for hit detection can be selected or adjusted.
Zoom View – Close-up of every hit
A particularly interesting feature of GRAN EYE is the Zoom View.
After each throw, the system creates an enlarged close-up of the hit position.
This is especially helpful when a dart is stuck very close to the wire between two segments.
For example, for a dart between:
Single 20 and Triple 20
the enlarged view can help to better identify the actual position of the tip.
GRAN DARTS describes the principle metaphorically as a referee approaching the board to check a close hit.
Zoom View in online darts
The Zoom View is also interesting for online matches.
It allows the opponent to see where the individual darts actually landed.
Especially with close hits directly on the spider, the close-up provides additional transparency.
This distinguishes GRAN EYE from a system that only transmits the automatically calculated score.
GRAN DARTS App
Control and score display are managed via the GRAN DARTS App.
GRAN EYE connects to the app and automatically transmits detected hits.
This provides various games and online features, depending on the current functionality of the platform.
The app handles, among other things:
- Score display
- Automatic point calculation
- Game management
- Device management
- GRAN EYE settings
- Online features
Thus, hardware and software form a combined scoring system.
Online Darts with GRAN EYE
GRAN EYE also enables online matches via the GRAN DARTS platform.
This allows you to compete against other GRAN DARTS users from your own steel-tip dart setup.
Automatic hit detection handles the score calculation.
The Zoom View can also show the opponent where the darts actually landed on the board.
Thus, GRAN EYE connects classic steel-tip darts with a digital online darts platform.
Continue using your existing dartboard
One of the biggest advantages of the GRAN EYE system is that it was designed as an extension for an existing dart setup.
You don't necessarily have to build an entirely new dartboard system.
The concept is:
Existing dartboard + existing lighting + GRAN EYE
This makes the system particularly interesting for players who already have a high-quality dart setup and simply want to add automatic scoring.
Continue using existing dartboard lighting
GRAN EYE does not require its own large lighting ring.
According to GRAN DARTS, the cameras were developed so that the system can operate even under less optimal lighting conditions.
This means:
If you already have dartboard lighting, you can generally continue to use it, provided it doesn't obstruct the cameras or their positioning.
This is particularly interesting for players who have already installed a high-quality LED light ring on their dartboard.
GRAN EYE is intended to complement the existing setup, not replace it.
Compact integration into the dart setup
The cameras are positioned to the left and right of the board.
This keeps the area around the dartboard relatively open.
This can be particularly interesting if you already have:
- Dartboard
- Surround
- LED lighting
- Wall design
- other dart accessories
Instead of changing the entire setup, automatic scoring is integrated into the existing one.
Magnetic MagMount System
The GRAN EYE cameras are attached using the MagMount System.
This allows the cameras to be quickly mounted on or removed from the dartboard.
The magnetic design offers a particular advantage:
If you want to transport GRAN EYE or temporarily not use it, the cameras can be easily removed.
When playing again, they are reattached to their designated position.
Installation without drilling
GRAN DARTS places great importance on uncomplicated installation.
The MagMount system is attached to the dartboard, then the cameras are inserted, and the corresponding cables are connected.
According to the manufacturer, for the actual assembly:
- no drilling
- no elaborate measuring
- no complicated wall installation
is necessary.
GRAN DARTS advertises the installation with a duration of approximately three minutes.
The initial setup of the software, Wi-Fi connection, camera alignment, and calibration then follow.
Initial setup
After assembly, GRAN EYE must be connected to the GRAN DARTS App.
During the initial setup, several steps are performed:
- Connect GRAN EYE to Wi-Fi
- Connect the system to the GRAN DARTS App
- Assign left and right cameras
- Adjust camera focus
- Calibrate cameras
- Test Echo Sensor and scoring
After successful setup, automatic scoring can be used.
Individually adjust camera focus
During the initial setup, the focus of both cameras is adjusted.
This allows the cameras to be aligned with the specific position of the dartboard.
Settings can be adjusted again later.
This is useful, for example, if:
- the dartboard is changed
- the camera position has changed
- hit detection performance decreases
The brightness of the camera image can also be adjusted.
Dartboard calibration
For GRAN EYE to know where the individual segments are located, the cameras must be calibrated to the dartboard in use.
The GRAN DARTS App guides the user through this process.
If a different dartboard type is used later, the corresponding setting must be adjusted, and the system recalibrated.
Wi-Fi connection – important: 2.4 GHz
An important point before purchase:
GRAN EYE requires a 2.4 GHz network for the Wi-Fi connection.
Direct connection to a purely 5 GHz Wi-Fi is not supported.
Anyone with a modern dual-band router should therefore check if a separate or selectable 2.4 GHz network is available.
The smartphone or tablet used and GRAN EYE must be correctly connected to the network for proper communication.
Using a smartphone or tablet
GRAN EYE is used in conjunction with the GRAN DARTS App.
This allows you to use, for example, a smartphone or tablet to display the score.
A tablet is particularly suitable for a fixed dart setup because:
- Score
- Game information
- Settings
- Online features
can be displayed on a larger screen.
GRAN EYE can also be set up and used with another device on the same Wi-Fi network.
GRAN EYE or Target Omni?
GRAN EYE and Target Omni both offer automatic scoring for classic steel-tip dartboards, but technically pursue different concepts.
Target Omni uses four HD cameras and combines hit detection with its own integrated dartboard lighting. The software is closely linked to DartCounter.
GRAN EYE, on the other hand, works with only two cameras and an additional echo sound sensor. Its own dartboard lighting is not part of the scoring concept.
This makes GRAN EYE particularly interesting if you already own a dartboard with high-quality lighting and want to continue using that setup.
GRAN EYE or Scolia?
Scolia is one of the established premium systems for automatic steel-tip dart scoring and offers an extensive proprietary training and online platform.
GRAN EYE pursues a more compact hardware approach.
A key difference lies in the number and positioning of the cameras, as well as the integration into the existing dart setup.
Those who place particularly high value on the established Scolia ecosystem and extensive training analyses should take a closer look at Scolia.
However, those looking for a compact system that can be integrated into an existing dart setup with just two cameras will find an interesting alternative in GRAN EYE.
GRAN EYE or Autodarts?
Autodarts is aimed primarily at players who value an open and flexible platform and individual hardware solutions.
GRAN EYE, on the other hand, is a complete system of coordinated hardware and the GRAN DARTS App.
This makes GRAN EYE particularly interesting for players who do not want to build their own camera or DIY solution.
Which system is right for me?
| System | Special Feature |
|---|---|
| GRAN EYE | 2 cameras, echo sensor, AI and compact mounting |
| Target Omni | 4 HD cameras, integrated lighting and DartCounter |
| Scolia | extensive scoring, training, and online ecosystem |
| Autodarts | open platform and flexible hardware options |
GRAN EYE stands out due to its combination of two cameras, an echo sensor, and compact integration into an existing setup.
Who is GRAN EYE suitable for?
GRAN EYE is particularly interesting for:
- Steel dart players
- Players with an existing dart station
- Owners of existing dartboard lighting
- Players who want to retrofit automatic scoring
- Online dart players
- Players who prefer a compact camera solution
- Users of the GRAN DARTS ecosystem
The system is especially appealing if a dartboard and lighting are already present and do not need to be replaced.
Frequently Asked Questions about GRAN EYE
How many cameras does GRAN EYE use?
GRAN EYE uses two cameras, positioned to the left and right of the dartboard.
What does the echo sensor do?
The echo sensor detects the sound of a dart hitting the board and signals the system that a new hit should be evaluated.
Do I need special dartboard lighting?
GRAN EYE was developed so that no special integrated ring lighting system is required. Existing dartboard lighting can continue to be used, provided it is compatible with the mounting.
Does GRAN EYE work in the dark?
According to GRAN DARTS, the high-quality image sensors were developed for good detection even in weaker lighting conditions. However, adequate dartboard illumination is still advisable for optimal playing conditions.
What is GRAN EYE Zoom View?
Zoom View shows an enlarged image of the position of a thrown dart. This is particularly helpful for close hits directly on the wire.
Can I play online with GRAN EYE?
Yes. GRAN EYE works with the GRAN DARTS app, which also enables online matches.
Do I need Wi-Fi?
Yes. For the Wi-Fi connection, GRAN EYE requires a 2.4 GHz Wi-Fi. Pure 5 GHz networks are not supported.
Does GRAN EYE need to be calibrated?
Yes. During initial setup, the focus and position of the cameras are adjusted, and the dartboard is calibrated.
Do I have to drill holes in the wall?
The MagMount concept does not require traditional wall mounting of the cameras by drilling.
Can I keep my existing dartboard?
The system is explicitly designed to integrate automatic scoring into an existing steel dart setup. However, the specific compatibility of the board used should still be checked before purchase.
Buy GRAN EYE Scoring System online
With the GRAN EYE Scoring System, you can expand your existing steel dart station with modern automatic hit detection.
Two compact cameras, an echo sound sensor, and AI-based analysis detect your throws and transmit the scores to the GRAN DARTS app. Functions such as Zoom View and Online Darts expand classic steel darts with digital possibilities.
The concept is particularly interesting for players who want to continue using their existing dartboard and lighting.
Discover the GRAN EYE Scoring System at Diplomatgames and enhance your dart station with automatic scoring without having to completely rebuild your existing setup.
