Alt-BEAM Archive
Message #06523
To: alt-beam@egroups.com
From: michael.hirtle@ns.sympatico.ca (Michael Hirtle)
Date: Fri, 08 Oct 1999 16:23:47 -0300
Subject: [alt-beam] Re: lcd name plates....
Hi Wilf the nly problem i have with this is where do u place the power supply leads?
Sean Rigter wrote:
> (Formatted this time and with the GIF attached).
>
> Ahh! Great idea Ian! Seven segment type numerical LCDs say from a broken digital clock or calculator. If you are lucky
> and the letters of your name can be "expressed" in seven segments then you can use this display ( "W" is a problem!) .
> Power consumption is virtually zero so it can be powered from 2 button cells for a couple of years. For a brighter but
> power hungry display that requires no bicore you can use the LED seven segment displays but these do require resistors to
> limit the current. (hey, laying a single seven seg display on it's side can display a "W" !) The attached shows a typical
> seven segment display. Connect the common "backplane" and the unused segment terminals to one output of the bicore.
> Connect the other segment terminals to the other bicore output. Make sure you connect all unused bicore chip input pins
> to ground or you'll drain the battery. Just for starters : next let's use the HC240 tristate function pins to flash 2
> different messages!
>
> wilf
>
> Ian Bernstein wrote:
>
> > Yo
> >
> > >Does anyone have a tutorial or info on how to make those cool LCD name tags?
> >
> > It's really quite simple. Just take the standard bicore like the one found on my web site.
> >
> > 1) Use 1M resister for the bicore
> > 2) Use either solar cell or battery for (+) & (-)
> > 3) Instead of a (M)oter use your LCD.
> >
> > You'll have to play around with which contacts of your LCD go to which lines and connect the
> right ones together.
> >
> > Laterz
> >
> > --------
> > There is only one true "SyNeT"
> > BEAM Online - http://www.beam-online.com
> >
> > +===============================================================+
> > | DISCLAIMER: The above expressed views are not necessarily |
> > | that of the author. In fact, he disclaims all knowledge of |
> > | his statements and rebutes his own stated beliefs. That said, |
> > | his recommendation: "Take my words to heart." |
> > +===============================================================+
>
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