Digest for sci.electronics.repair@googlegroups.com - 4 updates in 2 topics

9:41 AM Penedão 0 comments
"Ron D." <ron.dozier@gmail.com>: Jul 02 08:11PM -0700

My mom's friend was in that situation. She had her husband's safe, he passed and didn't know the combination. No oe would open it or knew how. Her son was a millionaire.
 
My skill set is limited, but I can open master padlocks and simple left-right-left safes. I learned by taking them apart. I'ts a combination of feel and mathematics. Usually takes about 20 minutes and < 20 minutes to actually know the numbers.
 
She chose to leave it open, but not get the combination.
 
I haven;t used those skills in a long time. They were developed some 50 years ago when I was bored in high school and th internet didn't exist.
 
A suitcase that was given to us was opened after the lady passed away, I opened it on the 2nd try.
 
Something a little harder: Do you know how to turn the copier on after hours? No. Why do you need it? He gavea good reason, so i offered to help. I had the code in like 20 minutes.
Wond <lost@the.ether.net>: Jul 03 03:25PM

On Fri, 02 Jul 2021 04:50:27 -0700, Hilda Winkler wrote:
 
> electronically.?? i tried to apply 6v to red black and green, didn't
> work. the safe is from a relative who passed away.. any help will be
> taken seriously
 
Check the Sentry safe website for help opening when combo lost.
"Peter W." <peterwieck33@gmail.com>: Jul 02 09:59AM -0700

> Suggestions please.
 
Look to the plumbing or precision-metal industries. The term you are searching for is "Borescope" which is quite different from an endoscope.
 
One of many sources: https://www.gradientlens.com/?gclid=Cj0KCQjw8vqGBhC_ARIsADMSd1B8KNCMfkz6HQjPibfZ-Aqb-hSaG4W6v86lI1hNxRLcL1v1yKAbNxsaAkB9EALw_wcB
 
Spend the money you need for the purpose at hand. Going cheap will leave you frustrated!
 
Peter Wieck
Melrose Park, PA
Jeff Layman <jmlayman@invalid.invalid>: Jul 02 06:10PM +0100

On 02/07/2021 17:03, Frankly wrote:
> 9" screen or bigger.
> A Windows tablet will do but is less acceptable due to cost.
 
> Suggestions please.
 
I assume the endoscope will have its own leds for illumination. If so,
make sure that the Android tablet's USB connection has enough power to
light the leds. If it hasn't you might need to use a powered hub. If so,
check that the tablet will work with a powered hub.
 
--
 
Jeff
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Digest for sci.electronics.repair@googlegroups.com - 6 updates in 3 topics

9:40 AM Penedão 0 comments
Frankly <Frankly@Frankly.COM>: Jul 02 09:03AM -0700

But not the usual endoscope.
 
All endoscopes I know about have a very close and short focus range.
 
I need a focus range more like a webcam.
 
I also need 1080P resolution.
 
I prefer it to work with an Android tablet for the larger screen.
9" screen or bigger.
A Windows tablet will do but is less acceptable due to cost.
 
Suggestions please.
Hilda Winkler <hildawinkler77@gmail.com>: Jul 02 04:50AM -0700

Hi group, can someone help please??? I have a Sentry safe #sfw082et, i don't have the combination number.. anyone know how to open the solenoid electronically.?? i tried to apply 6v to red black and green, didn't work. the safe is from a relative who passed away.. any help will be taken seriously
Rob <nomail@example.com>: Jul 02 02:30PM +0200

> Hi group, can someone help please??? I have a Sentry safe #sfw082et, i don't have the combination number.. anyone know how to open the solenoid electronically.?? i tried to apply 6v to red black and green, didn't work. the safe is from a relative who passed away.. any help will be taken seriously
 
Opening the solenoid is not easy, but they can be drilled open.
"Peter W." <peterwieck33@gmail.com>: Jul 02 05:47AM -0700

> Hi group, can someone help please??? I have a Sentry safe #sfw082et, i don't have the combination number.. anyone know how to open the solenoid electronically.?? i tried to apply 6v to red black and green, didn't work. the safe is from a relative who passed away.. any help will be taken seriously
 
 
Such as in many hotel rooms and so forth?
 
And you want us to give you a 'way in'?
 
Really?
 
I suggest you get in touch with the manufacturer. They will know how to do it, as well as verify your bona-fides.
 
Peter Wieck
Melrose Park, PA
Andy Burns <usenet@andyburns.uk>: Jul 02 02:11PM +0100

Peter W. wrote:
 
 
> Such as in many hotel rooms and so forth?
> And you want us to give you a 'way in'?
> Really?
 
The LockPickingLawyer is less snooty about such things, I bet the
internals are similar to one he shows a "low skill attack" on
 
<https://www.youtube.com/c/lockpickinglawyer/search?query=Sentry>
Lucifer <LuciferMorningstar@bigpond.com>: Jul 02 01:50PM +1000

Windows 11 is brought to you by Qanon.
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Digest for sci.electronics.repair@googlegroups.com - 3 updates in 3 topics

9:41 AM Penedão 0 comments
Phil Allison <pallison49@gmail.com>: Jun 30 04:37PM -0700

Wond wrote:
==============
 
> >> My son has a new welder, spec'd 5% max THD input AC power.
 
> > ** The welder is clearly not happy with power from a "modified square
> > wave" DC inverter.
 
--------------------
 
> My thinking too, but it appears from available bumf that inverter
> types claim less THD than cheap conventional gens.
 
** Oh dear - FYI a "DC inverter " runs off a 12 or 24V battery.
 
" Inverter generators " are pure sine wave.
The AC supply has a few percent of 3rd and 5th harmonics.
 
 
> It would be interesting to see how Agilent/Keysight measure it in
> their DMM.
 
** For sure.
I saw nothing on the Agilent site about it.
 
Can you borrow a scope to take a peek at the wave?
 
.... Phil
Three Jeeps <jjhudak4@gmail.com>: Jun 30 10:58AM -0700

On Sunday, June 27, 2021 at 3:31:59 PM UTC-4, Ralph Mowery wrote:
 
> > Keep in mind that here are three major alternatives to Windows: Mac OS, Linux, and Chrome.
 
> Those are of no help if the programs I want to run have no equivelent
> and are only written to run under Windows.
You may be able to get away with running a Windoz as a guest OS on and VM host OS such as Linux or OSX. If the Windoz app uses any special I/O drivers, it may not work. It is cheap to try it and see.
You can try VirtualBox (free) which I've found works fairly well for almost all of my windoz apps (under both OSX and Linux).
VMWare is a very good commercial product that you could also try...I don't remember if they have a free or trial version.
J
Rob <nomail@example.com>: Jun 30 05:11PM

> And unfortunately the contrast is controlled in software, probably via
> PWM there's no direct connection to an analog adjustment pot.
 
There still will be some line with a varying voltage that doesn't do
anything else, and which you can try to pull up or down using a resistor.
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