Some AA batteries rely on the very thin outer sleeving to insulate the can/body of the cell. If the sleeving is punctured, an all metal clip could short the cell.
There were quite a few electronics engineering students that had those Psions when I was at uni, I still think Psion's Series 5 was the best handheld computer EVER, if mine hadn't broken I would still be using it. looking forward to seeing inside the gps device :)
Shows the power of standard components. The newest PDA is the first one to get trashed because it doesn't use standard batteries. You could still use the older models today.
Oh wow that Navman jacket brings back memories! They were so terrible (but with the price of stand-alone GPS receivers back then it was a bargain by comparison) If I remember rightly, the first time cold GPS fix took something stupid like 30-45 minutes!!!!!!
One other thing, I also had a palm 5000, They were released as two versions at the time. The Palm 1000, and Palm 5000. After that, there was the palm personal and professional (I think) then, the palm III. I think somewhere between the palm pro and 3, 3com (Now HP) had owned them.
The regular 9v batteries are more like 200-250 mAh . Wikipedia lists 400 mAh for Zinc Carbon and ~ 600 for alkalines, but they didn't have alkalines back then. The thing on the Swedish stamps is a butterfly, it says the species and a small icon at the bottom. But it's understandable you can miss some things when you record in one shot everything.
Cool PDAs, I wish they still put external antenna connectors and compact flash card slots on things. They are just too damn cheap now to make a good device.
Dave, it sounds like you think fractal antennas are a great improvement over traditional antenna designs. As far as I have seen, their only advantage is being able to cover a wider frequency range with one antenna. They are no more efficient for a given size as far as I know. Do you disagree?
Not a consumer device? =p I used one for all sorts, telephone numbers, learning programming even. Had a bizarre language that took me a while to fathom. Interestingly most of the program chips came on on the old style UV erasable EPROM chips too, least I'm guessing UV, they had the trademark mica window on their casings. Only ditched it in 2000, when it turned out it's calendar stopped functioning properly XP
I'm wondering the possibilities of buying a bit of scrap land in Austria and naming a road Baulkham Hills, then setting up a mail forward from that address under Dave Jones ;) - So have you actually had mail sent there by mistake? did it make it's way to you in the end? or are you preempt the possibility?
I sent you some super cheap USB 'iPhone' power bricks about a week ago, from China. It would be cool if you could load them down with a phone and put the output on your scope. These things are too cheap to be of any real quality, I think it might be cool to see what they are throwing at your devices as they charge. Plus, it might be nice to see if they wil actually put out anywhere near the full 5.0V 1A they claim.
mm I think you're talking about Australasia. That's just a term coined to sort of indicate 'south of asia'. Australia is still it's own separate continent.
+Max Koschuh Well except that the AAsaver actually has uses and is implemented properly. It's also advertised for the specific low power applications it's designed for and the creator doesn't lie to you.
Hmmm. I always thought New Zealand also belongs to Australia continent. Checked wiki, it says ... Countries : 3 (Australia, Papua New Guinea and portions of Indonesia) So Australia turns out to be more complicated instead :P
Not sure if someone already said this, but that strip on the ipaq below the circle button is a fingerprint reader. I bought one of these just for that. It was so advanced at the time. Also, on the back where it has the tamper tag, it was a SIM card reader. On the first version, it had a sim blank and on the newer version it had paper work in it that said something to the effect of the warranty would be voided if you attempted to put a sim card in it. I bet, it has cellular hardware in it.
Yeah... Easy, but there is much more people in Europe = much more separation, wars ...... EU = Euro for almost 500 000 000 people give and take GBP and other stubborn (they actually have very good reasons for keeping their currency) nations
wow, both those devices brought back some memories. Especially the Palm... Enjoyed that.
Ooh! Just sitting down to eat, and I find myself the first viewer of a mailbag.
What a treat!
I had to listen to him say "DUH" several times. Just way too funny!!
I'm the one who donated the PDAs.
The iPAQ battery had started to bulge and would no longer fit in the battery compartment so I recycled it.
Some AA batteries rely on the very thin outer sleeving to insulate the can/body of the cell.
If the sleeving is punctured, an all metal clip could short the cell.
Hello from yet another Swedish viewer! Can't wait to see those tear-downs!
The Psion datapacks were EPROMs - they sold an eraser , called a "formatter"
Where the hell have these videos been? This gent is highly entertaining and I was Satellite Communications Technician U.S. Navy. GGGGreat videos M8.
Mailbag Monday, and Teardown Tuesday. I love it! What's next? Blowout Sunday?
The AA saver is what the batterizer should have been. It's actually designed for low power applications.
There were quite a few electronics engineering students that had those Psions when I was at uni, I still think Psion's Series 5 was the best handheld computer EVER, if mine hadn't broken I would still be using it. looking forward to seeing inside the gps device :)
They are for the LED torch option.
Shows the power of standard components. The newest PDA is the first one to get trashed because it doesn't use standard batteries. You could still use the older models today.
EEVblog Playlists:
1.Monday Mailbag
2.Teardown Tuesday
3.under progress
4.under progress
5.under progress
Oh wow that Navman jacket brings back memories! They were so terrible (but with the price of stand-alone GPS receivers back then it was a bargain by comparison) If I remember rightly, the first time cold GPS fix took something stupid like 30-45 minutes!!!!!!
Ahhh, singapore pride. Being from singapore seeing a singapore made thing now brings tear to my eye.
Europe is too bloody complicated! Australia = one continent, one country, one currency = easy :-P
One other thing, I also had a palm 5000, They were released as two versions at the time. The Palm 1000, and Palm 5000. After that, there was the palm personal and professional (I think) then, the palm III. I think somewhere between the palm pro and 3, 3com (Now HP) had owned them.
Great video! I'm certainly looking forward to seeing you taking apart those PDAs.
The regular 9v batteries are more like 200-250 mAh . Wikipedia lists 400 mAh for Zinc Carbon and ~ 600 for alkalines, but they didn't have alkalines back then.
The thing on the Swedish stamps is a butterfly, it says the species and a small icon at the bottom. But it's understandable you can miss some things when you record in one shot everything.
Cool PDAs, I wish they still put external antenna connectors and compact flash card slots on things. They are just too damn cheap now to make a good device.
radio shack breadboard with the removabul power rails is what it looks like it uses.
Dave, it sounds like you think fractal antennas are a great improvement over traditional antenna designs. As far as I have seen, their only advantage is being able to cover a wider frequency range with one antenna. They are no more efficient for a given size as far as I know. Do you disagree?
Not a consumer device? =p I used one for all sorts, telephone numbers, learning programming even. Had a bizarre language that took me a while to fathom. Interestingly most of the program chips came on on the old style UV erasable EPROM chips too, least I'm guessing UV, they had the trademark mica window on their casings. Only ditched it in 2000, when it turned out it's calendar stopped functioning properly XP
I'm wondering the possibilities of buying a bit of scrap land in Austria and naming a road Baulkham Hills, then setting up a mail forward from that address under Dave Jones ;) - So have you actually had mail sent there by mistake? did it make it's way to you in the end? or are you preempt the possibility?
I sent you some super cheap USB 'iPhone' power bricks about a week ago, from China. It would be cool if you could load them down with a phone and put the output on your scope. These things are too cheap to be of any real quality, I think it might be cool to see what they are throwing at your devices as they charge. Plus, it might be nice to see if they wil actually put out anywhere near the full 5.0V 1A they claim.
mm I think you're talking about Australasia. That's just a term coined to sort of indicate 'south of asia'. Australia is still it's own separate continent.
and as fourth device /generation you can tear down your htc desire ;)
Batteriser 2012
+Max Koschuh Well except that the AAsaver actually has uses and is implemented properly. It's also advertised for the specific low power applications it's designed for and the creator doesn't lie to you.
good to know, thank you very much for the information
Hmmm, wiki needs to be corrected then.
I just read the wiki for Australia (continent), thats where it says 3 countries.
Hello from another viewer in Sweden. :)
Hmmm. I always thought New Zealand also belongs to Australia continent. Checked wiki, it says ...
Countries : 3 (Australia, Papua New Guinea and portions of Indonesia)
So Australia turns out to be more complicated instead :P
Dave, please don't hurt that Psion series II, I would have given my right arm for one in 1989. Would still slice off a finger for one today !
I live in Granby, it's near Amherst.
192 Swedish kroner for the postage = USD$27,00
Welcome to expensive Scandinavia!
Ray shobby shop is quite a bit catchier however.
Nope, Kronor in Sweden and Euro in Finland.
I see you didn't use your pocket knife to open the mailbag.STRANGE. Is every thing all right?
They will be in the next video, relax.
Why you didnt used your trusty knife for opening the first envelope??? THAT I CALL A BUMMA!
Hi Dave AA Saver you did not add two resistors. they did not need to be added?
Power Supply Killer :) I like it. How many stickers of killed PSs are there on the side of it?
The word is sophisticated, not complicated. :p
Ohh, is there a Joule Thief on that board?
Not sure if someone already said this, but that strip on the ipaq below the circle button is a fingerprint reader. I bought one of these just for that. It was so advanced at the time. Also, on the back where it has the tamper tag, it was a SIM card reader. On the first version, it had a sim blank and on the newer version it had paper work in it that said something to the effect of the warranty would be voided if you attempted to put a sim card in it. I bet, it has cellular hardware in it.
"welcome to the ever-popular my own bank statement where art and mike" first line of transcript XD
you board is wider than mine, it almost looks like a standard here in Canada :\
That battery supply could have been better!
Really? Sounds like you were getting a little excited about having him opening it and commenting on your package.
Be nice :)
America is complicated too .... one continent many states and countries and many different currencies i think that Europe is more simple than America.
I've got a compaq navman in my room. Can't really get it working, though.
xScale cpu are intel's and marvell's implementation of ARMv5... ARM cortex cores have probably overtaken xScale
3.3mA You've gotta be kiddin me!
Come on man there is an LCD on there.
Passive LCD's can last for years on a single battery.
No more lingerie, huh? I take it Mrs. Jones wasn't too satisfied last time. :)
Board has ON ON switch :)
Nope, i was the first one, i even took a screenshot, the counter says 0 viewers :)
And btw., it's a middle of the night in Europe :)
I'm still blocked by the forums/eevblog.com.
Well we are in the EU but we don´t have euros, your thinking about switzerland ;)
Power supply killer rocks!!!
Cool!
Old skool EEV
11:20 butter fly wings.
they have 64K datapacks
Send it to me (PO Box 28, Beachlands, Auckland, New Zealand) and I will pass it on for you ;)
Come on Dave, euros in Sweden and dollars in Finland? xD
I was going to ask if you're from NZ but you answered it. You really sound like someone from NZ. No offense.
Sweden is not even in eu. Good for them for not having euro
Gör om gör rätt!
) ;-)
Yeah... Easy, but there is much more people in Europe = much more separation, wars ...... EU = Euro for almost 500 000 000 people give and take GBP and other stubborn (they actually have very good reasons for keeping their currency) nations
first