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| GUN4IR - The Ultimate 4 Points Lightgun System |
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| lightgungamer:
I’ve been looking for some good leds for this project. It’s hard to find wide angle ones in the uk. Does anyone know if these would be good? They aren’t the same wavelength as recommended but I think the camera supports it. https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F264301195521 |
| JayBee:
--- Quote from: lightgungamer on December 17, 2019, 06:22:13 am ---I’ve been looking for some good leds for this project. It’s hard to find wide angle ones in the uk. Does anyone know if these would be good? They aren’t the same wavelength as recommended but I think the camera supports it. https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F264301195521 --- End quote --- I guess those leds should be seen by the camera as well? That's actually one the issues that slow down the development of my firmware, finding good working leds that work correctly from any angle. Since my system supports better angle/precision/distances than any 2 leds system, I need to find leds that work well enough for it from any place and distance. I tested many, with various success. If this one works for you, please tell me ;) |
| Zebra:
Not sure if this helps but, on the Sega Type 2 /Namco arcade IR guns, the led boards are designed to allow users to bend individual LEDs to face the desired direction to deal with any issues related detection angles. You often see Led boards from games with larger screens with the corner LEDs bent to face inwards. The Guncon 3 also has LEDs facing different directions so maybe this is a better way of dealing with detection angle issues than trying to source "wide angle LEDs". The Extreme IR bar sold by ArcadeGuns claims to have wider angle LEDs that let users play at more extreme angles or closer to the screen. One of the guys on this forum bought one and reported that it made no difference. Perhaps "wide angle LEDs" is just marketing bullsh*t.... Most people play light gun games in front of the screen anyway. It's probably best to just use any LEDs that work to get it up and running. Nobody is going to be able to tell you which LEDs work best for this as it's all new. |
| JayBee:
--- Quote from: Zebra on December 24, 2019, 03:32:15 pm ---Not sure if this helps but, on the Sega Type 2 /Namco arcade IR guns, the led boards are designed to allow users to bend individual LEDs to face the desired direction to deal with any issues related detection angles. You often see Led boards from games with larger screens with the corner LEDs bent to face inwards. The Guncon 3 also has LEDs facing different directions so maybe this is a better way of dealing with detection angle issues than trying to source "wide angle LEDs". The Extreme IR bar sold by ArcadeGuns claims to have wider angle LEDs that let users play at more extreme angles or closer to the screen. One of the guys on this forum bought one and reported that it made no difference. Perhaps "wide angle LEDs" is just marketing bullsh*t.... Most people play light gun games in front of the screen anyway. It's probably best to just use any LEDs that work to get it up and running. Nobody is going to be able to tell you which LEDs work best for this as it's all new. --- End quote --- You're right, turning the leds in a better angle does helps a bit. The issue comes when we are doing 2 players games, if one is too much on the side, the IR cam starts to have problem picking up the leds. For the leds, I found quite powerful one but with bad angles, and ones with good angles but pretty terrible distance. In a way, wide angle leds isn't just marketing, different leds do have different angles (you can actually test them with a digital cam), but more angle means less concentrated light, so less power. I tried to combine few high power leds with various angles in one spot, and they kind of work but tend to produce a lot of heat (and takes a lot of current as well). Still, will continue to look into the combined led solution, as it seems one single wide angle led doesn't do the trick. |
| thet0ast3r:
Have you tried with putting something infront of the led that makes it more wide-angle? like maybe just a thin sheet of paper or similar? the wii remote sensor bar and my ems topgun sensor bars seem to have pretty uniform brightness, mostly independent of viewing angle. |
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