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Dead face Annunciators

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rparigor(at)SUFFOLK.LIB.N
Guest

Posted: Fri Mar 31, 2006 11:04 pm Post subject: Dead face Annunciators

We were fooling with some 5/8" square LEDs tonight. They have 2 or 3 LEDs

potted and a flat face. We wanted to cover them with a label and use them

for a dead face annunciator. Just not bright enough. OK for night, but not

day.



After a bit of fooling and thinking we somehow managed to find ourselves

at the checkout line of Home Depot with a "Egg Crate" style Chrome plated

piece of plastic diffuser for a dropped ceiling.



We are planning on putting 2 or more LEDs in each 5/8" square, mounted to

a higher quality through plated breadboard. Probably 12 Annunciators

driven by a IL12A:

http://www.vx-aviation.com/page_2.html#IL-4A,%20IL-12A_more



Panel is .090" thick. Will make a through hole the ID of two high by 6

wide, then mill a pocket ~.070" deep the OD of 2 x 6. Idea is to first

drop in printed or engraved face, then the Egg Crate over that and redux

it to the panel.



Any suggestions on above?

Any suggestions on how to make labeling? Thin engraved black over white?

P-Touch?

Other?



Thx.

Ron Parigoris

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rv8ch

Joined: 10 Jan 2006
Posts: 250
Location: Switzerland

Posted: Fri Mar 31, 2006 11:53 pm Post subject: Dead face Annunciators

 	  Quote: 	
		   We were fooling with some 5/8" square LEDs tonight. They have 2 or 3 LEDs

 potted and a flat face. We wanted to cover them with a label and use them

 for a dead face annunciator. Just not bright enough. OK for night, but not

 day.


	


I bought some 40,000 mcd white LEDs from http://www.besthongkong.com/

and they are very bright.  Hurt your eyes, bright.  Perhaps you can

swap out the LEDs?



 	  Quote: 	
		   

 Any suggestions on above?

 Any suggestions on how to make labeling? Thin engraved black over white?

 P-Touch?

 Other?


	


I basically copied Paul's annunciator panel design:



http://www.vansairforce.com/community/showthread.php?t=5197



His idea of printing your labels with colors right onto

a transparency (presentation foil, think before powerpoint)

worked great.



-- 

Mickey Coggins

http://www.rv8.ch/

#82007 finishing

do not archive

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_________________
Mickey Coggins
http://www.rv8.ch/

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