Lichtknarre: Unmodified Wii remote as a sight accurate Lightgun using 2/4 LEDs

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Fusselkroete:
Hi new version is now available with following features:

version: 0.9.10.20
download: https://geekonarium.de/en/lichtknarre-lightgun/

This version is now compatible with Dolphin 5.
Lookup tutorial for Dolphin 5: https://geekonarium.de/en/vjoy-lightgun-emulator-configuration/#configureDolphin5
This injects a hook into Dolphin 5 and filters out real wii remotes. Many thanks to LuftWaffle aka ZTylerDurden717 and trihy aka a5608498 for all their help with testing. Please give me feedback if something is not working well with the current version.

This version also includes the following fixes: Adjust x,y can now always reach the edges correctly and the windows 10 scaling problem has been fixed again.

Fusselkroete:

--- Quote from: RetroRon on April 29, 2023, 01:48:41 pm ---Just learned about the Lichtknarre project so please excuse my ignorance on the topic. It's nice to see that this project will allow people to use existing Wiimotes as a lightgun. I have a few questions:
1. Does the 2 IR LED option support using a single Wii sensor bar?
2. Does the 4 IR LED option support using 2 Wii sensor bars, one on top and one on bottom?
3. Why does the 4 IR LED configuration use the 50/50 top/bottom placement but the sides use a 74/26 placement instead of a 50/50 diamond pattern? Is it to distinguish the lower part of the screen from the top?
With so many lightgun projects popping up lately, each with different IR LED placements, it seems that my monitor is slowly turning into a tanning bed! (I know, wrong end of the light spectrum, maybe I should have said heating pad)

--- End quote ---

1. yes
2. technically you can use 4 sensor strips with only 1 LED sticking out behind the TV, which respects the placement that is wanted in the calibration. But more advance way is to buy/build your own leds.
3. the exact placement of the LEDs with these ratios helps the software to find out exactly which LED is which in order to always calculate the exact position.

RandyT:
Howard, did you give up? I keep wondering how you are making out with your conversion. :)

Howard_Casto:
No I've just been busy. Haven't really started yet to be honest.

Posad:
I first came across this a few days ago and ordered the bits and pieces to make the led harness. While I wait for it, I am working on integrating the wii remote permanently into a gun shell with proper trigger action. I have two questions:

1. Does Lichtknarre take advantage of Wii Motion Plus? That is, do I need Motion Plus or can I use an earlier model without loosing accuracy, response time or any other benefit? Not sure if there is any other relevant difference between wii remote revisions.
2. Possibly related to the first question, does Lichtknarre rely on the camera only, or does it also read other wii remote sensors? Testing my work in progress gun with the Wii, it seems the camera orientation has to match the remote pcb. I tried to have the pcb sideways for easier button access while keeping the camera in the normal position as if the buttons were facing up (think TV remote control) and it did not work. The Wii was confused and the cursor moved erratically.

Thank you for all your work. I cannot wait to set it up and play.

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