piclist 1998\10\27\100903a >
Thread: 9V battery powered PIC
www.piclist.com/techref/power/batterys.htm?key=battery
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face BY : cousens@@spam@her.forthnet.gr



NCS Products wrote:
>
> >way round and survive, burn your finger and still work or be
> >powered direct from a 9V alkaline battery without damage?
>
> Which PICs can be powered from a 9V battery?


This is a reply to my question below on the 3/4/98

Peter Cousens wrote

> Does anyone know the max voltage you can run a 16c84 at ?

I have user PIC16F84-10P 3 month now in my Chistmas melodybox directly
with
9V battery.

I wanted to get more power to speaker ( 4ohm), so I removed 5V
regulator.
Now I drive the speaker directly through 100uF capacitor without
problems.
It is no on continiously, only when I switch device on. Nobody wants to
listen Christmas melodies very long time! Also 9V battery is not
excatcly 9V
volt when programm is runnig, but you aseked can PIC used directly with
9V
battery. the answer is yes ( at least in limeted time).
-----------------------------------------------------------------------
I since then have tried a 16f84 direct from a 9v Alkaline battery
by coincidence on a similar app (a morse code message generator)
but it only runs for 30 secs every hour


--
Peter Cousens
email: spamBeGonecousensTakeThisOuTspamher.forthnet.gr  phone: + 3081 380534
snailmail:  Folia, Agia Fotini, Karteros, Heraklion  Crete, Greece.

Is it true that they have, on the new version of windows
managed to increase the MTBF from 95 to 98 minutes ?
(That's why they called it 95)

<3635ECAF.3CAC@her.forthnet.gr> 7bit

See also: www.piclist.com/techref/power/batterys.htm?key=battery
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