Basic stamp & wall wort''s
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Posts: 46,084
Another thought would be to put a "crowbar" between the voltage regulator
ond the stamp.
Bob Hendrickson (new to the group.)
Original Message
From: "John Baker" <johnbaker_erie_pa@y...>
To: <basicstamps@yahoogroups.com>
Sent: Saturday, January 17, 2004 5:43 PM
Subject: Re: [noparse][[/noparse]basicstamps] Basic stamp & wall wort's
> put a 7812 or 7805 regulator between the stamp and the wall wort.
>
> ufi911 <john@l...> wrote:I'm about to deploy a very simple valve
control module using a BS1.
>
> Its controlling a couple of relays switching 120 vac (very low
> amperage).
>
> I want to power the stamp & relays with 12 VDC. Can I use a wall
> wort? My concern is if the wall wort fails, is the result going to
> be the end of my stamp? I know nothing is guaranteed, but if the
> wart were to fail and send say 30 VDC to the stamp, I would have to
> rebuild the entire project. Now, if it were to fail and LOOSE power,
> I can simply replace the power source.
>
> Or should I buy some kind of cheap power supply?
>
> Thanks in advance,
>
> -John
>
>
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ond the stamp.
Bob Hendrickson (new to the group.)
Original Message
From: "John Baker" <johnbaker_erie_pa@y...>
To: <basicstamps@yahoogroups.com>
Sent: Saturday, January 17, 2004 5:43 PM
Subject: Re: [noparse][[/noparse]basicstamps] Basic stamp & wall wort's
> put a 7812 or 7805 regulator between the stamp and the wall wort.
>
> ufi911 <john@l...> wrote:I'm about to deploy a very simple valve
control module using a BS1.
>
> Its controlling a couple of relays switching 120 vac (very low
> amperage).
>
> I want to power the stamp & relays with 12 VDC. Can I use a wall
> wort? My concern is if the wall wort fails, is the result going to
> be the end of my stamp? I know nothing is guaranteed, but if the
> wart were to fail and send say 30 VDC to the stamp, I would have to
> rebuild the entire project. Now, if it were to fail and LOOSE power,
> I can simply replace the power source.
>
> Or should I buy some kind of cheap power supply?
>
> Thanks in advance,
>
> -John
>
>
>
> 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.
>
>
> Yahoo! Groups Links
>
> To visit your group on the web, go to:
> http://groups.yahoo.com/group/basicstamps/
>
> To unsubscribe from this group, send an email to:
> basicstamps-unsubscribe@yahoogroups.com
>
> Your use of Yahoo! Groups is subject to:
> http://docs.yahoo.com/info/terms/
>
>
>
>
>
> Do you Yahoo!?
> Yahoo! Hotjobs: Enter the "Signing Bonus" Sweepstakes
>
> [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.
>
>
> Yahoo! Groups Links
>
> To visit your group on the web, go to:
> http://groups.yahoo.com/group/basicstamps/
>
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>
>