🚀 go-pugleaf

"Alan Rutlidge" <don't_spam_me_rutlidge@iinet.net.au> wrote in message 
news:49e6f03b$0$29889$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
>
> "David L. Jones" <altzone@gmail.com> wrote in message 
> news:JQwFl.45755$GU6.44257@newsfe09.iad...
>> "David L. Jones" <altzone@gmail.com> wrote in message 
>> news:lw8El.13136$FR3.3272@newsfe04.iad...
>>> For those playing along at home, #3 is up:
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>>> or subscribe to my YouTube channel:
>>> http://www.youtube.com/user/EEVblog
>>
>> #4 is up.
>>
>> Dave.
>>
>
> How does the power consumption of the processor compare with the rest of 
> the electronics in the calculator?
>
> I can easily see the advantage of throttling back the processor speed to 
> save energy, but what about the rest of the electronics?

The rest of the electronics?
There is none, the processor is it.
Calculators have been single chip solutions since almost day dot.
http://blog.makezine.com/archive/2008/08/hp_20b_biz_calc_can_be_mo.html

> Have you taken any measurements?  I'm assuming the majority of the power 
> is consumed by the processor?

Almost all of it.
The LCD takes a small whiff of course.

I believe they screwed up the low battery algorithm too.

Dave.