Re: Battery charging with intermittant power source

On a sunny day (Sun, 11 Jan 2009 22:55:12 -0800 (PST)) it happened
"miso@xxxxxxxxx" <miso@xxxxxxxxx> wrote in
<c793125c-3eff-4161-871f-63d6c1abf481@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>:

I don't trust software. Too many bugs.

Well, that will severely limit what you can do.
Usually the use of an integrated computer solution like PIC,
with software in FLASH can save many many analog and digital components,
add amazing features (that cannot easily be done in hardware at low cost
or complexity), so improve reliability because of lower component count,
etc.
Not even mentioning networking and remote features.

Although I am not using that 100% here, the idea of just doing ADC on any value,
doing all processing digital, and then, if needed, doing DAC, sort of is nice.
In circuit re-programming is nice too.
Maybe get rid of all those wires from board modifications...
Or even update a program remotely... May save you a long trip.

I did see some negative remarks about doingg it digital, and sure, some
things can be done analog, but this digital processing just requires
a bit different way of thinking, the nice features come by themselves, and,
as those features have very little hardware cost (just code), are a good
way to leave the competition behind, especially if you can read protect the FLASH.

In fact I am wondering how much analog is here to stay....
Except perhaps for extreme speeds and precisions, but ADCs get better all the time too.
We even have digital radio, and, with FPGAs with serial links in the 8 Gbits/s range
'speed' gets an other dimension.
The 75 Baud time is long long gone ;-)

.

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