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>>> The next thing you should build is a dual voltage power supply.
>>
>> Uh, why?
>>
>> 1. If I actually wanted one, I could *buy* one for a very modest price.
>> (And that way, it would actually work properly.)
>
>
> Why not?
Because when it doesn't work, I will probably end up killing myself, for
starters... A power supply is far too complicated for me to get right.
>> 2. I don't know how many amp-hours an AA battery is, but with each IC
>> using several micro-watts of power, I don't envisage running them flat
>> any time soon.
>
> But you will sometime and there is always the chance of you not noticing
> the battery voltage dropping and your circuts not working properly.
Oh, I'm sure they'll do that anyway. ;-)
> But then I only worked in electronics for 25 years so what do I know ;-)
Heh, where to buy capacitors cheap, I imagine. ;-)
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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