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Re: [AVR-Chat] Re: ATtiny26 schematic

2004-12-30 by Ralph Hilton

On Wed, 29 Dec 2004 20:44:17 -0500 (EST) you wrote:

>
>Ok, cool.  Thank you all for your enthusiastic responses.
>
>To summarize your ideas (and toss in a few new questions):
>
>1) On the RESET pin, I should use a diode (and pull-up resistor) as
>documented in Atmel AppNote AVR042.  They also have a capacitor in the
>note, do you guys recommend that as well?
>
>2) Dont waste B6 on a heartbeat, since that pin has too many other
>alternative uses.  Perhaps A7? Then I'd only be losing an ADC, correct?
>
>3) There's better voltage regulators than the 7805.  Well, for this
>particular project, I'm going to stick to the age old "a voltage regulator
>in the hand is better than two in the bush" and use the 7805 sitting in my
>basement.  Any recommendations for the next time I'm in the mood to buy
>some regulators that're in the same neighborhood as 7805?

I use the LP2950 - very low quiescent current and low dropout.
--
Ralph Hilton
http://www.ralphhilton.org
C-Meter: http://www.cmeter.org
FZAOINT http://www.fzaoint.net

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