pin 24 on BS2sx
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Posts: 46,084
Hi
I was wondering if I can directly hook up a 9V battery to pin 24 in
order to power up the BS2, etc? Or, do I need to add some caps, etc.
for caution? The manual says that the BS2 has an internal voltage
regualtor, and if I put in any voltage >5V on pin 24, that it would
be ok. However, I would like to make sure, before trying this out.
DS
I was wondering if I can directly hook up a 9V battery to pin 24 in
order to power up the BS2, etc? Or, do I need to add some caps, etc.
for caution? The manual says that the BS2 has an internal voltage
regualtor, and if I put in any voltage >5V on pin 24, that it would
be ok. However, I would like to make sure, before trying this out.
DS
Comments
the onboard regulator limits. Pin 21 provides 5V from the Stamp regulator.
-- Jon Williams
-- Parallax
In a message dated 2/28/02 9:07:27 PM Central Standard Time,
debu_sen_22@y... writes:
> I was wondering if I can directly hook up a 9V battery to pin 24 in
> order to power up the BS2, etc? Or, do I need to add some caps, etc.
> for caution? The manual says that the BS2 has an internal voltage
> regualtor, and if I put in any voltage >5V on pin 24, that it would
> be ok. However, I would like to make sure, before trying this out.
>
[noparse][[/noparse]Non-text portions of this message have been removed]
it worked. But, when I put it again, it didn't work. And now it
does not work by putting a 9V to that pin at all.
Any ideas? I need some help!
DS
--- In basicstamps@y..., jonwms@a... wrote:
> Yes, you can connect a 9V battery to pin 24. Just be sure you
don't exceed
> the onboard regulator limits. Pin 21 provides 5V from the Stamp
regulator.
>
> -- Jon Williams
> -- Parallax
>
>
> In a message dated 2/28/02 9:07:27 PM Central Standard Time,
> debu_sen_22@y... writes:
>
>
> > I was wondering if I can directly hook up a 9V battery to pin 24
in
> > order to power up the BS2, etc? Or, do I need to add some caps,
etc.
> > for caution? The manual says that the BS2 has an internal
voltage
> > regualtor, and if I put in any voltage >5V on pin 24, that it
would
> > be ok. However, I would like to make sure, before trying this
out.
> >
>
>
>
>
> [noparse][[/noparse]Non-text portions of this message have been removed]
the battery up backward did you ?
Bruce
debu_sen_22 wrote:
> Ok... I was afraid of this... but, I put a 9V directly to pin 24, and
> it worked. But, when I put it again, it didn't work. And now it
> does not work by putting a 9V to that pin at all.
>
> Any ideas? I need some help!
>
> DS
>
> --- In basicstamps@y..., jonwms@a... wrote:
> > Yes, you can connect a 9V battery to pin 24. Just be sure you
> don't exceed
> > the onboard regulator limits. Pin 21 provides 5V from the Stamp
> regulator.
> >
> > -- Jon Williams
> > -- Parallax
> >
> >
> > In a message dated 2/28/02 9:07:27 PM Central Standard Time,
> > debu_sen_22@y... writes:
> >
> >
> > > I was wondering if I can directly hook up a 9V battery to pin 24
> in
> > > order to power up the BS2, etc? Or, do I need to add some caps,
> etc.
> > > for caution? The manual says that the BS2 has an internal
> voltage
> > > regualtor, and if I put in any voltage >5V on pin 24, that it
> would
> > > be ok. However, I would like to make sure, before trying this
> out.
> > >
> >
> >
> >
> >
> > [noparse][[/noparse]Non-text portions of this message have been removed]
>
> 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/
second..then when i connected it again, and since then, its not
working...
--- In basicstamps@y..., Bruce <bsnowde@a...> wrote:
> I would use a diode to ensure proper polarity. You didn't
accidently connect the battery up backward did you ?
>
> Bruce
>
> debu_sen_22 wrote:
>
> > Ok... I was afraid of this... but, I put a 9V directly to pin 24,
and
> > it worked. But, when I put it again, it didn't work. And now it
> > does not work by putting a 9V to that pin at all.
> >
> > Any ideas? I need some help!
> >
> > DS
> >
> > --- In basicstamps@y..., jonwms@a... wrote:
> > > Yes, you can connect a 9V battery to pin 24. Just be sure you
> > don't exceed
> > > the onboard regulator limits. Pin 21 provides 5V from the Stamp
> > regulator.
> > >
> > > -- Jon Williams
> > > -- Parallax
> > >
> > >
> > > In a message dated 2/28/02 9:07:27 PM Central Standard Time,
> > > debu_sen_22@y... writes:
> > >
> > >
> > > > I was wondering if I can directly hook up a 9V battery to pin
24
> > in
> > > > order to power up the BS2, etc? Or, do I need to add some
caps,
> > etc.
> > > > for caution? The manual says that the BS2 has an internal
> > voltage
> > > > regualtor, and if I put in any voltage >5V on pin 24, that it
> > would
> > > > be ok. However, I would like to make sure, before trying this
> > out.
> > > >
> > >
> > >
> > >
> > >
> > > [noparse][[/noparse]Non-text portions of this message have been removed]
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@y...
> > 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/
second..then when i connected it again, and since then, its not
working...
--- In basicstamps@y..., Bruce <bsnowde@a...> wrote:
> I would use a diode to ensure proper polarity. You didn't
accidently connect the battery up backward did you ?
>
> Bruce
>
> debu_sen_22 wrote:
>
> > Ok... I was afraid of this... but, I put a 9V directly to pin 24,
and
> > it worked. But, when I put it again, it didn't work. And now it
> > does not work by putting a 9V to that pin at all.
> >
> > Any ideas? I need some help!
> >
> > DS
> >
> > --- In basicstamps@y..., jonwms@a... wrote:
> > > Yes, you can connect a 9V battery to pin 24. Just be sure you
> > don't exceed
> > > the onboard regulator limits. Pin 21 provides 5V from the Stamp
> > regulator.
> > >
> > > -- Jon Williams
> > > -- Parallax
> > >
> > >
> > > In a message dated 2/28/02 9:07:27 PM Central Standard Time,
> > > debu_sen_22@y... writes:
> > >
> > >
> > > > I was wondering if I can directly hook up a 9V battery to pin
24
> > in
> > > > order to power up the BS2, etc? Or, do I need to add some
caps,
> > etc.
> > > > for caution? The manual says that the BS2 has an internal
> > voltage
> > > > regualtor, and if I put in any voltage >5V on pin 24, that it
> > would
> > > > be ok. However, I would like to make sure, before trying this
> > out.
> > > >
> > >
> > >
> > >
> > >
> > > [noparse][[/noparse]Non-text portions of this message have been removed]
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@y...
> > 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/
I was looking at my Board of Education and if I use a 9V battery it is
directly connected to Pin 24. Also I
looked at my Basic Stamp II carrier board and it is also directly connected to
Pin 24. So connecting a 9V battery
to Pin 24 should be OK.
I also looked in the Basic Stamp Programing Manual 2.0b and for Pin 24 here
are the specs;
BS2-IC 5.5 to 15 VDC and maybe unconnected if 5 volts is
applied
to VDD (+5V) Pin 21.
BS2-IC rev. e 6 to 40 VDC and maybe unconnected if 5 volts is
applied
to VDD (+5V) Pin 21.
BS2e 5.5 to 12 VDC (7.5 recommended), and maybe
unconnected
if 5 volts is applied to VDD (+5V) Pin
21.
BS2sx 5.5 to 12 VDC (7.5 recommended), and maybe
unconnected
if 5 volts is applied to VDD (+5V) Pin
21.
BS2p24 5.5 to 12 VDC (7.5 recommended), and maybe
unconnected
if 5 volts is applied to VDD (+5V) Pin
21.
When you are not sure refer to the PDF files on the Parrallax or Stamps in
Class web sites. and use these for
guidelines.
I have been doing electronics for 30+ years and I still look at data sheets and
books on common devices even if I
am certain that the information I know is correct.
Dale
debu_sen_22 wrote:
> Hi
>
> I was wondering if I can directly hook up a 9V battery to pin 24 in
> order to power up the BS2, etc? Or, do I need to add some caps, etc.
> for caution? The manual says that the BS2 has an internal voltage
> regualtor, and if I put in any voltage >5V on pin 24, that it would
> be ok. However, I would like to make sure, before trying this out.
>
> DS
>
> 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/
My problem is that I did directly connect the 9V to pin 24, and it
did work. But, now it is not (and I tried a new battery on it too),
and I do not know why it is not working now. When I check the pin, i
get 9V, but, the program says that "No basic Stamps found". And,
when I check the VDD pin, there is no voltage there either.
any ideas?
thanks
--- In basicstamps@y..., Dale Fleischmann <fleidale@c...> wrote:
> Hi
>
> I was looking at my Board of Education and if I use a 9V
battery it is directly connected to Pin 24. Also I
> looked at my Basic Stamp II carrier board and it is also directly
connected to Pin 24. So connecting a 9V battery
> to Pin 24 should be OK.
>
> I also looked in the Basic Stamp Programing Manual 2.0b and for
Pin 24 here are the specs;
>
> BS2-IC 5.5 to 15 VDC and maybe unconnected
if 5 volts is applied
> to VDD (+5V) Pin 21.
>
> BS2-IC rev. e 6 to 40 VDC and maybe unconnected if 5
volts is applied
> to VDD (+5V) Pin 21.
>
> BS2e 5.5 to 12 VDC (7.5 recommended), and
maybe unconnected
> if 5 volts is applied to
VDD (+5V) Pin 21.
>
> BS2sx 5.5 to 12 VDC (7.5 recommended), and
maybe unconnected
> if 5 volts is applied to
VDD (+5V) Pin 21.
>
> BS2p24 5.5 to 12 VDC (7.5 recommended), and
maybe unconnected
> if 5 volts is applied to
VDD (+5V) Pin 21.
>
> When you are not sure refer to the PDF files on the Parrallax
or Stamps in Class web sites. and use these for
> guidelines.
> I have been doing electronics for 30+ years and I still look at
data sheets and books on common devices even if I
> am certain that the information I know is correct.
>
> Dale
>
> debu_sen_22 wrote:
>
> > Hi
> >
> > I was wondering if I can directly hook up a 9V battery to pin 24
in
> > order to power up the BS2, etc? Or, do I need to add some caps,
etc.
> > for caution? The manual says that the BS2 has an internal voltage
> > regualtor, and if I put in any voltage >5V on pin 24, that it
would
> > be ok. However, I would like to make sure, before trying this
out.
> >
> > DS
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@y...
> > 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/