AVR-Chat

Hello Leon,

I too am looking for a true 3.3v capable LCD. I've examined the PowerTip
display and true it's logic will run down to 2.7 volts. However, the LCD
operating voltage still requires a volt lower voltage floor (4.1v voltage
total) to achieve appropriate contrast control. (for the 1602D you use)

How are you actually running your LCD units at 3 volts to overcome this? do
you use a small negative supply of some sort to provide this voltage?

Thanks,

Jim Hatley


----- Original Message ----- 
From: "Leon Heller" <leon.heller@bulldoghome.com>
To: <AVR-Chat@yahoogroups.com>
Sent: Monday, August 15, 2005 9:14 PM
Subject: Re: [AVR-Chat] 3 Volts LCD?


> ----- Original Message ----- 
> From: <JChavez@soboce.com>
> To: <AVR-Chat@yahoogroups.com>
> Sent: Tuesday, August 16, 2005 1:41 AM
> Subject: [AVR-Chat] 3 Volts LCD?
>
>
> >
> >
> >
> >
> > Hi all,
> >
> > Does anyone know if  there is 3 Volts 2x16 LCDs? I mean HD44780 style.
> > If so where I can buy them?
>
> The Powertip LCDs I use will go down to 2.7V:
>
> http://www.powertip.com.tw/product/PC%20SERIES/PC%201602D.PDF
>
> Leon
>
>
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