power supply question(for mike)
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Posts: 46,084
hi mike
can you give me more detail
i do not really understand what you said
i am new to electornics
thanks
--- In basicstamps@yahoogroups.com, "Mike Sokol" <mike.sokol@m...>
wrote:
> This can work, but it's a pretty large supply for most breadboard
projects.
> Of course, the price is right if you have some old PC's laying
around ready
> to be trashed. One thing to be aware of is that some switcher
supplies need
> a bit of a load to startup and regulate properly. So by putting a
small load
> resistor across each of the outputs (typically 5 volts, 12 volts,
and minus
> 12 volts) you can make this work. Also, if memory servers, there's
an extra
> lead (orange I think), that's some sort of sensor lead that can
shut down
> the supply. I think it's for standby operation, but it's been a
LOOOOONG
> time since I've fooled with one of these.
>
> Mike Sokol
> www.modernrecording.com
> mikes@m...
>
> " One should not increase, beyond what is necessary,
> the number of entities required to explain anything"...
> -William of Occam-
>
>
>
Original Message
> From: "i_drives" <i_drives@y...>
> To: <basicstamps@yahoogroups.com>
> Sent: Tuesday, December 02, 2003 2:21 AM
> Subject: [noparse][[/noparse]basicstamps] power supply question
>
>
> > hi all
> >
> > is it possible to make a DC power supply from a pc power supply?
> > a pc power supply is cheaper (maybe) than a transformer
> > and i do not have to worry about handling the transformer
> > so i can just connect from output wires of the power supply to
the
> > board
> > it has three adjustable outputs (two of +24V(or less), -12V)
> > is it a good idea to do this?
> > please give me some opinions.
> > thanks
> >
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@yahoogroups.com
> > from the same email address that you subscribed. Text in the
Subject and
> Body of the message will be ignored.
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
can you give me more detail
i do not really understand what you said
i am new to electornics
thanks
--- In basicstamps@yahoogroups.com, "Mike Sokol" <mike.sokol@m...>
wrote:
> This can work, but it's a pretty large supply for most breadboard
projects.
> Of course, the price is right if you have some old PC's laying
around ready
> to be trashed. One thing to be aware of is that some switcher
supplies need
> a bit of a load to startup and regulate properly. So by putting a
small load
> resistor across each of the outputs (typically 5 volts, 12 volts,
and minus
> 12 volts) you can make this work. Also, if memory servers, there's
an extra
> lead (orange I think), that's some sort of sensor lead that can
shut down
> the supply. I think it's for standby operation, but it's been a
LOOOOONG
> time since I've fooled with one of these.
>
> Mike Sokol
> www.modernrecording.com
> mikes@m...
>
> " One should not increase, beyond what is necessary,
> the number of entities required to explain anything"...
> -William of Occam-
>
>
>
Original Message
> From: "i_drives" <i_drives@y...>
> To: <basicstamps@yahoogroups.com>
> Sent: Tuesday, December 02, 2003 2:21 AM
> Subject: [noparse][[/noparse]basicstamps] power supply question
>
>
> > hi all
> >
> > is it possible to make a DC power supply from a pc power supply?
> > a pc power supply is cheaper (maybe) than a transformer
> > and i do not have to worry about handling the transformer
> > so i can just connect from output wires of the power supply to
the
> > board
> > it has three adjustable outputs (two of +24V(or less), -12V)
> > is it a good idea to do this?
> > please give me some opinions.
> > thanks
> >
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@yahoogroups.com
> > from the same email address that you subscribed. Text in the
Subject and
> Body of the message will be ignored.
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >