AVR-Chat

On Thursday 16 December 2004 00:16, KEN HUNT wrote:

> wrote:
> > I'm considering all sorts of low-power options for providing an
> > analogue indication (moving needle or bar). Typical ammeters
> > draw current and the quantity I want to indicate isn't directly
> > available as a current... it's number-crunched. Scale will be
> > semi-log.

> If you want low power how about a graphical LCD
> display (mobile phone display for example) emulating a
> needle or a moving bar? A Nokia 3310 LCD (for example)
> would give you 48x84 pixels for not a lot of money.

Two factors: The LCD requires much more glue to drive and secondly
most LCD give up the ghost at the ambient operating temperatures
that may exceed 45 degrees C.

-- 
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