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On Tue, Jun 12, 2007 at 01:18:07PM +1200, Russell McMahon wrote:
> An electronic DIPSwitch :-)
> Too many pins per output bit..
> And of limited use in modern real world systems as a processor will 
> perform the equivalent task within a very short time after startup. 
> The only areas I can see where it might be useful are processorless 
> systems or systems where having a desired and system variable logic 
> level present essentially instantaneously at power on is essential.

If those devices are actually obtainable in small quantities (and have
DIP packages too) I suspect they would be popular at my school. Lots of
people have needed to do minor things like that, and I've had to tell
them buy a basic stamp. These are students that use 555 timers
everywhere after all.


Not too long ago Maxim sent out a developer info thing with a
ADC->EEPROM->DAC setup. Basically a state saver for analog values.
Looked pretty much the same idea as a non-volitile digital pot, except
you could program it via voltage.

- -- 
http://petertodd.org
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