Gungnir Elite build instructions 

Below a description on how to put it all together. A complete DIY instruction video can be found here. At the bottom of this page there are also step by step pictures of the whole process. The instructions for building Gen 1 and 2 of the dartstracker are the same, only some components have different sizes.

How it looks

Fully 3D-Printed

The Elite Dartstracker is handmade and fully 3D-Printed. 

Building the surround

  • Build the left side of the surround then the right side the following way. Put the cable through the camera foot to the left most top camera (sector 5) and leave enough cable to be able to move the camera from top to bottom within the foot. Guide the cable for sectors 5 and 1  through the innerside of the surround to the cable foot. Guide the cable for sectors 9 and 4 through the outside of the surround to the cable foot. Place 2 surround mounts directly after a segment is finished (contains 1 or 2 cables or nothing at the top). You 'll have to detach a surround element to be able to slide a surround mount into the element. If needed use some kind of lubricant to slide the surround mounts into the surround elements, otherwise you will use too much force and crack the surround elements. If this happens you can use instant glue to repair it.
  • If you have the mount clips (see pictures below) you can put them over the cracks inbetween the surround elements.
  • Use screws to fixate the feet to the surround. 
  • Mount the surround elements.
    The 3 longer elements at the top and the smaller ones for the rest of the surround.
  • Mount the ledstrip
    Feed the whole ledstrip through the hole in the cable foot leaving only the connector outside of the surround. Then guide and stick it into the inside of the surround. Cut it at the end (at an indicated place on the ledstrip).

Mounting the surround

  • Make sure you have some kind of wooden backboard behind your dartboard. Mount the surround to the backboard while it's flat on a table (not vertically against the wall, you'll need more hands). 
  • Make sure the outside of the feet are on a circle of 80 cm diameter.
  • Mount the Raspberry pi. Check the image below to see which usb port should be connected to which camera. Use some tie wraps to attach the pi to the cable foot.
  • Connect the cables to the Raspberry Pi. 
  • Connect the adapter to the led power.
  • Now power the RPI and use a browser to connect to it. If you don't know the IP you can use the dartstrainer app.  To get it go to Settings.. Gungnir Dartstracker.. Network.
  • Go to the System menu and press Update to update the dartstracker to the latest version.
  • After updating go the Setup menu and follow the indicated steps. Start in step 1 with uploading the supplied configfile. Then follow the steps checking each camera, the board and calibration. If you are building the Gen 1 version based on the OV9726 camera modules you will have to generate the camera lens distortion files for all the cameras using these instructions and upload them here. If you are building the Gen 2 version based on the OV9732 camera modules this is not necessary.
  • When calibrating and asked for a center target use the black sphere, other calibration steps use a dart.
  • You can check the Quick Start Guide of the Gungnir Elite Dartstracker for more info.

Camera Case 
Raspberry Pi Connections
Mount Clips
Camera Mount

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