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Powering off the LCD Topgun LEDs (for longevitiy)
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Lilwolf:
btw, has anyone tried to use a seperate 5v power supply to supply 2 guns slide thingy and 1 led?  I would love to not use my computers power supply...

just not sure if any additional info is being sent to the led's.  I heard someone doing it for the sliders
Fozzy The Bear:

--- Quote from: Lilwolf on March 25, 2006, 10:52:24 am --- just not sure if any additional info is being sent to the led's.  I heard someone doing it for the sliders

--- End quote ---

:banghead: There is no info being set to or from the LEDs.... !!!!  They are JUST LED's...

Best Regards,
Julian (Fozzy The Bear)
Flinkly:
as for sega light gun games, there are alot of them that used ir led's just like we are.  two for example are hotd2 and the second jurrassic park.  i've seen the led circuit boards for sale on ebay for cheap, maybe someone should check it out and start expiramenting.

while i'm thinking about it, does it matter where the led's are?  the gun calibrates to the screen, so you could place led's wherever you wanted and then calibrate, and it should work.  unless you moved them after calibration.  i'd still use more than five reference points, but you could even use more...unless there is more to it.
Fozzy The Bear:

--- Quote from: Flinkly on March 25, 2006, 01:33:21 pm ---as for sega light gun games, there are alot of them that used ir led's just like we are.  two for example are hotd2 and the second jurrassic park.
--- End quote ---

HOTD2... Different versions released... The one I had to pieces on the bench at work last week uses optical guns. The projector version uses LEDs. They also differ from one side of the Atlantic to the other. 
AND the secondly:
1) Jurassic Park (SEGA) doesn't use light guns at all! it uses fixed analog Joysticks that are shaped like guns. The upright version just uses analog joysticks.

2) Jurassic Park 2 (The Lost World)  (SEGA) That you mention, Uses standard SEGA "Time Crisis" type Optical Guns... No LED's in it at all.

3) Jurassic Park 3 (KONAMI) Does use LED's but they work on an entirely different system to these EMS guns.  They run different frequencies of light from each LED Cluster. They can then work out not only where the gun is pointing, but also where the player is standing in relation to the LED's. Thus removing any calibration error as a result of players changing position.


--- Quote from: Flinkly on March 25, 2006, 01:33:21 pm ---while i'm thinking about it, does it matter where the led's are? 
--- End quote ---

No, as long as the gun can see all of the LEDs on both stands.

Best Regards,
Julian (Fozzy The Bear)
aljupy:

--- Quote --- You'll always need to include resistors to limit the current, no matter what voltage you run them on.
--- End quote ---
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