[Lab] anyone with 16 seg alphanumeric display LEDs Common Cathode?

[Peter Sjoberg]

On 11/17/2015 12:31 PM, Joseph Michael Sleiman wrote:
> This might help?
>
> http://www.instructables.com/id/Connect-Common-Anode-RGB-LEDs-to-Common-Ground-RG/
Hmm, quick look and while it looks interesting (thanks for the link) I
would have to reverse it (this is CA to CC, I need CC to CA) and do it
for all 17 lines (16 segments plus decimal point) causing a lot of extra
clutter.
For now I decided to work on other parts of my project while waiting for
the stuff to arrive. If I feel the urge to work on the display code I
can use my 2digit 14seg CC modules. Can't be used in final version but
for code testing it should be ok.

/ps

>
> Haven't tried it myself, and I don't own any 16-seg displays...
>
> Best of luck!
>
> On Mon, Nov 16, 2015 at 8:48 PM, Richard Sloan
> <themindfactory at gmail.com <mailto:themindfactory at gmail.com>> wrote:
>
>     Can you just put them in backwards?
>
>     R.
>
>     On Nov 16, 2015 5:29 PM, "Peter Sjoberg" <lpaseen at gmail.com
>     <mailto:lpaseen at gmail.com>> wrote:
>
>         Does anyone happen to have some 16 seg alphanumeric display
>         LEDs, single
>         letter, common cathod?
>         I messed up, I ordered some from aliexpress
>         (http://tinyurl.com/pdhuzku or
>         http://www.aliexpress.com/item/20pcs-lot-LED-Displays-0-5-0-5in-red-1bit-English-letters-display-tube-Multi-functional/1939712710.html?spm=2114.01020208.3.19.SmBq4H&ws_ab_test=searchweb201556_1_79_78_77_91_80,searchweb201644_5,searchweb201560_9
>         )
>         but missed to state that I need Common Cathod (and at the time
>         I thought
>         I needed CA) so now I have 20 of them that I can't use in this
>         project.
>         Is it anyone who has at least 4 and would like to swap with me
>         so I don'
>         t have to wait another 4-8 weeks before I can start testing?
>         I have some dual letter CC but my design doesn't work with
>         that, need
>         single digits.
>
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