[sdiy] Art of electronics computer

[Dan Snazelle]

It must be the driver circuitry which makes them special



I think these would work


http://weblab.phys.uniroma1.it/Lab3/FMeddi/lab-el_disp-in-rete_170404/ds/til311-e4.pdf





Sent from my iPhone

On Jan 9, 2012, at 3:03 PM, Harry Bissell <harrybissell at wowway.com> wrote:

> I think that any direct drive 7 segment display can be considered "hexadecimal". It can display the
> necessary segments to make all the characters in the hexidecimal set.
> 
> I don't know of a direct 'hex' driver chip that takes 4 bit binary and outputs this character set. There ~was~ one (once)
> for hex on an LCD display.
> 
> The CD4511 is a good example of a driver that will NOT display hex characters. The "a" - "f" are blank...
> 
> H^) harry
> 
> 
> ----- Original Message -----
> From: Dan Snazelle <subjectivity at hotmail.com>
> To: Steve Galle <stevegalle at gmail.com>
> Cc: synthdiy diy <synth-diy at dropmix.xs4all.nl>
> Sent: Mon, 09 Jan 2012 14:48:37 -0500 (EST)
> Subject: Re: [sdiy] Art of electronics computer
> 
> I dont believe that is hexadecimal
> 
> Sent from my iPhone
> 
> On Jan 9, 2012, at 2:31 PM, Steve Galle <stevegalle at gmail.com> wrote:
> 
>> Something like this? 
>> http://parts.digikey.com/1/parts/1631661-led-7-seg-7-6mm-ca-he-red-hdsp-7501-cd000.html
>> 
>> On Jan 8, 2012, at 1:32 PM, David G Dixon wrote:
>> 
>>>> They specify the HP 5082-7340 but i think others would work.
>>>> Anyone know where to find those cheaply?
>>> 
>>> AFAIK, it is impossible to find hex displays today.  I tried to find some
>>> for a step sequencer thingy I was working on a while ago, and everything I
>>> found was long obsolete and unobtainium.  I wanted a 7-segment display
>>> driver that would give 0 1 2 3 4 5 6 7 8 9 A b C d E F out, but this is not
>>> to be had anymore, apparently.
>>> 
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>> 
>> 
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> -- 
> Harry Bissell & Nora Abdullah 4eva
>