CasioSK : Message: Re: Sk5 and SK8 Auto Power Off disable

CasioSK · Casio SK-5 and SK-8

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Sk5 and SK8 Auto Power Off disable - experiments

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Message #242 of 577 |

Re: Sk5 and SK8 Auto Power Off disable - experiments

That's the sort of circuit I had in mind when I was toying with the
idea. Does anyone know what value components you need to use with a
555 to get it to pulse once every 5 mins, but with a short "on" time?

Cheers, Graham

--- In CasioSK@yahoogroups.com, "Mark Rauch" <billbigrig@...> wrote:
>
> Howdy,
>
> Couldn't a guy put a 555 timer in there and have it trigger a non-
> sound event every 3 or 4 minutes to keep things powered up? It could
> be switched off when APO is desired.
> Rig
>

Sun Apr 15, 2007 11:02 pm

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"gmeredith1" <gmeredith1@...>

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Message #242 of 577 |

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I have been doing some testing and some research about this, and have come to the conclusion that it is not possible to do this. I have sought to bypass the...	gmeredith1	Apr 10, 2007 1:00 am
nothing more technically advanced than your idea g but i reckon the timer reset through some insignificant feature to keep her alive is the only way. keep her...	glenn donnelly manyworldspr...	Apr 10, 2007 1:33 am
Considering the SK-1 shares the same CPU as the SK-5 & SK-8, it could most probably be fixed with a ROM hack. Problem is, of course, no deompiler is available...	plutoniq9	Apr 14, 2007 12:11 am
Howdy, Couldn't a guy put a 555 timer in there and have it trigger a non- sound event every 3 or 4 minutes to keep things powered up? It could be switched off...	Mark Rauch billbigrig	Apr 14, 2007 1:38 am
That's the sort of circuit I had in mind when I was toying with the idea. Does anyone know what value components you need to use with a 555 to get it to pulse...	gmeredith1	Apr 15, 2007 11:02 pm
I found a circuit to do exactly what I wanted here: http://www3.telus.net/chemelec/Projects/Timer/Timer.htm Here is an example circuit of the above: ...	gmeredith1	May 3, 2007 6:12 am
I recently built a circuit using a 555 timer which made a complete cycle every 12 minutes. It was a the standard astable circuit with a 1k pull-up resistor,...	jdunnuk	May 4, 2007 12:27 am

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