LEDs, GI lights, etc...
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LEDs, GI lights, etc...  This thread currently has 208 views. Print
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Sparky
January 30, 2009, 3:59pm Report to Moderator

Almost done.
Admin. These guys can help
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Please discuss the light issue from the Embryon thread here... makes it more fair for Terrence.

Keep the classifieds clean!


Retiring soon...
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websherpa
January 30, 2009, 4:03pm Report to Moderator

Keep groovin' to 80's pinball machines!
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Sparky are you able to transfer over the offending posts to this new topic?


Wayne (webSherpa) "WEB"
"Pinballs do not die - they plunge, flip and then sewer."
http://www.pinballisnotdead.com/
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Menace
January 30, 2009, 4:08pm Report to Moderator

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If you guys are making your own LED bulbs from discrete components, adding an electrolytic to the socket along with the LED and current limit resistor, most of the "flickering" will be eliminated (if not all).  I cannot confirm how the LED would operate in later games that  have the ability to "dim" the lamps though...

D
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MAGNETO
January 30, 2009, 4:19pm Report to Moderator

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regarding G.I. lights,I might be overlooking something but ...why not put a rectifier on the 7.3 ac output( between E 7 and E   the new output would be 1.41 X7.3volts pulsating dc but a cap could then the be added to smooth out the ripple .....I think this would  work EXCEPT the regular 47 bulbs would burn-out with over 10volts being applied.I guess you could replace them with another number bulb (9 or 12volts) or put LEDs everywhere.  

by the way the smile is a 8,cant get rid of it!!!


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Mrhide
January 30, 2009, 6:33pm Report to Moderator

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Mrhide.pinnesota.org

RAA La marié de Pinbot et La Créature du Lagon Noir, Eclipse et Capt. Card
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ALJO
January 30, 2009, 7:17pm Report to Moderator

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This guy sells 100 LEDs for 100$ CAD, shipping included, this includes 5 flexible LEDs.



gaspar.kokay@t-online.hu




                                                                       
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websherpa
January 31, 2009, 9:17am Report to Moderator

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Quoted from ALJO
This guy sells 100 LEDs for 100$ CAD, shipping included, this includes 5 flexible LEDs.



gaspar.kokay@t-online.hu



Are you talking LED converted 47 type bulbs, or are the LEDs made of gold?  


Wayne (webSherpa) "WEB"
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websherpa
January 31, 2009, 9:19am Report to Moderator

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Wayne (webSherpa) "WEB"
"Pinballs do not die - they plunge, flip and then sewer."
http://www.pinballisnotdead.com/
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ALJO
January 31, 2009, 11:42am Report to Moderator

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Quoted from websherpa


Are you talking LED converted 47 type bulbs, or are the LEDs made of gold?  


I'm talking about LEDs number 555 or 44 for pinball machines.
That's pretty cheap for pinball LEDs.




                                                                       
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websherpa
January 31, 2009, 2:08pm Report to Moderator

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Turns out Blue LEDs in particular are susceptible to interiour stress cracks which cause flickering.  Still, I'm not so certain that is the problem as when I switch LEDs fromone branch of a circuit to another they change their tendency to flicker.

I was wondering if anyone knows the basic schematic of a miniture flicker free LED like the ones produced for Pinballs.  Is there a subminiture rectifier or diode array, and/or some capacitance built in to that tiny package?  I am just wondering how to reproduce the effect in descrete components, and a reference to an LED (with or without the mount) that is "flicker free"/

Thanks!


Wayne (webSherpa) "WEB"
"Pinballs do not die - they plunge, flip and then sewer."
http://www.pinballisnotdead.com/
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