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Help with LCD Circuit Design - Altitude & Heading

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mikef(at)apexconsultingse
Guest

Posted: Thu Jun 11, 2009 6:41 pm Post subject: Help with LCD Circuit Design - Altitude & Heading

Bob,



That is a good idea. Thanks!



Mike



On Thu, Jun 11, 2009 at 3:32 PM, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:

  	  Quote: 	
		    At 12:06 PM 6/11/2009, you wrote:

  	  Quote: 	
		  --> AeroElectric-List message posted by: "mikef" <mikefapex(at)gmail.com (mikefapex(at)gmail.com)>



 Hi,



 I am interested in building a simple, small, bright LCD display that can increment numbers with the twist of a knob. I would like to build a 4 digit and 3 digit versions, to represent pattern altitude and heading, respectively. Put it in a small enclosure and mount on my dash.



 Pattern altitude - knob changes in 100' increments

 Heading - knob changes in 10 degree increments. Would be nice to go from 0 to 360, then roll back over to zero (0).



 I know you knowledgeable electronics guys are thinking this is stone simple, but.... I'm a noob. I don't know which parts to mix and match to make this happen. And while having googled lots of stuff, I am still unsure how to pick the right parts to make this work. So if someone in the know could suggest the right combination of parts it would be most appreciated.



 Here is a commercial version that inspired my request here. But sweet jeeezus, at $400 that is just plain outrageous for what I bet cost maybe $50. 	




  If all you're wanting is a reminder why go 

  electronic. Pure mechanical works too. See:



  http://tinyurl.com/mpjq8u 



  In years past I've seen installations of thumbwheel

  switches mounted to allow dialing in a number to

  be prompted. No electronics required.



  What you're wanting to do would take quite a bit

  of time . . . that $400 price for a low

  volume product was probably not all that

  outrageous.



 

 

        Bob . . .



         ---------------------------------------

        ( . . .  a long habit of not thinking   )

        ( a thing wrong, gives it a superficial )

        ( appearance of being right . . .       )

        (                                       )

        (                  -Thomas Paine 1776-  )

         ---------------------------------------



      	  Quote: 	
		  



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tp://forums.matronics.com

_blank">http://www.matronics.com/contribution



	




	


-- 

Mike



================================

Mike Fontenot

Apex Consulting & Services LLC

Lakewood, Colorado

303 / 731-6645

 mikef AT apexconsultingservices DOT com

================================

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blackoaks(at)gmail.com
Guest

Posted: Sat Jun 13, 2009 10:55 am Post subject: Help with LCD Circuit Design - Altitude & Heading

along those lines, cheap, simple, but unlighted-

                       	 						 						      	 	 	 	 	 	 Sort By   Relevance         Price: [Low-High]   [High-Low]         Alphabetical: [A-Z]    [Z-A] 	 	 	 	 	 	 	 	 	 	 	 	   

10 result(s) for reminder



                                  Altitude Reminder

 This extremely simple but effective altitude reminder is great insurance against pilot error. Better than writing altitudes—safer than trusting y..... 

 7035A - $11.95



http://sportys.com/acb/showdetl.cfm?&did=19&product_id=1175

 



 

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