Article View: sci.electronics
Article #20117LCD clock mods - for 24 hour format
From: Warren W. Gay
Date: Mon, 05 Dec 1988 21:16
Date: Mon, 05 Dec 1988 21:16
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I've been looking for a cheap, off the shelf digital clock to keep
(you guessed it), UTC time. However, the new clocks don't seem to
have a 24 hour format option/switch. What's worse, the store people
don't even know what 24 hour format is!! I had one sales guy say "ya,
sure. Its got the AM light here, and the PM light there...". Grrrrrr!!!!
My guess is that *all* of them are capable of 24 hour format. Just requires
one pin to be grounded or tied high. But I don't want to spend $20 to
find out that it has an unrecognizable Japaneez part # in it.
My preference is for a *big* LCD clock, due to lower currents thus less RFI.
So my question is:
What makes can be easily modified to show 24 hour format, and which
pins are involved? Surely several of you have already been through
this... so *gasp*, *help*...
Tnx in advance.
--
73s de VE3WWG (Warren)..............LSI represents Large Scale Investment,
.................transistors are "discrete", but tubes are just plain fun.
................Bramalea Software Systems Inc...!utgpu!telly \ !brambo!wwg
...................!{uunet!mnetor, watmath!utai}!lsuc!ncrcan /
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Path: arc1-ca.pugleaf.net!utzoo!attcan!lsuc!ncrcan!brambo!wwg From: wwg@brambo.UUCP (Warren W. Gay) Newsgroups: sci.electronics,rec.ham-radio Subject: LCD clock mods - for 24 hour format Message-ID: <423@brambo.UUCP> Date: 5 Dec 88 21:16:03 GMT Organization: Bramalea Software Inc., Bramalea, Ont. Lines: 24