[sdiy] Re:
ASSI
Stromeko at compuserve.de
Mon Aug 2 21:32:56 CEST 2004
On Montag, 2. August 2004 17:34, allanjhall at lineone.net wrote:
> I'm building a blacet miniwave module and I thought it would be nice
> if I had two seven segment led's (each reading 0 to F) to show the
> bank number (1 to 16) and wave number (1 to 16), rather than the
> array of (2x) four led's normally used, as decoding them is probably
> a bit too much of a challenge to my counting skills. There are four
> data lines, so it would be easy to get the displays to read from 0 to
> 10 using a 4511 BCD to hex decoder/driver, however I need each
> dispaly to read up to 16 (F) in hex, is there an easy one chip
> solution for this or is it more involved?
Get a 4311 instead of the 4511, this one will show the non-decimal
codes. Also the 74(LS){46,47,48} will at least display something
unique, just not a nice A, B, C, D, E, F. The latter ICs are much more
common than the 4311.
Achim.
--
+<[Q+ Matrix-12 WAVE#46 microQkb/Omega Andromeda XTk/30 sonic heaven]>+
SD adaptations for KORG EX-800 and Poly-800MkII V0.9:
http://homepages.compuserve.de/Stromeko#KorgSDada
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