Geekzone: technology news, blogs, forums
Guest
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.


View this topic in a long page with up to 500 replies per page Create new topic
1 | 2 

pih

164 posts

Master Geek


  #328812 11-May-2010 10:28
Send private message

I have a couple of switching mode power supplies for external HDD enclosures, they supply both 12v and 5v, both at around 2A.  Unfortunately, I'm not looking to retire either of them right now, but I'd say this could be a cheap-ish option - external enclosures are pretty cheap (esp. second hand), probably cheaper than you could get a retail charger with those specs.  HDD's need both voltage rails at relatively high currents, so I'd bet that most enclosures would come with a similar supply:


23457 posts

Uber Geek

Trusted
Subscriber

  #330432 15-May-2010 17:25
Send private message

I might have something around here. Let me look thru my crap in the shed later and I will update.





Richard rich.ms

 
 
 
 


23457 posts

Uber Geek

Trusted
Subscriber

  #330515 15-May-2010 21:29
Send private message

Only have one that looks like it has the slightly narrower plug as pictured.

5v 2a









Richard rich.ms

xpd



Covid-19 Free
10647 posts

Uber Geek

Mod Emeritus
Trusted
Lifetime subscriber

  #330840 17-May-2010 10:45
Send private message

Just a found a heap of 5V 2A adaptors ina box in our store room... but no real identifying labels on them.
Stupid questions (TBH, I hate electricty :) ) :

How do you tell if the adaptor is AC or DC ?
Is it just by the polarity label ? Was told that if the positive was on the inside, then its defintely DC and AC is on the outside.....




XPD^ / DemiseNZ

 

Blog         Free Games        Twitter

 

My TradeMe Goodies

 

Disclaimer - It wasn't me, the dog ate my keyboard, my account was hacked, I was drunk, ALIENS.


pih

164 posts

Master Geek


  #330868 17-May-2010 12:32
Send private message

xpd: Just a found a heap of 5V 2A adaptors ina box in our store room... but no real identifying labels on them.
Stupid questions (TBH, I hate electricty :) ) :

How do you tell if the adaptor is AC or DC ?
Is it just by the polarity label ? Was told that if the positive was on the inside, then its defintely DC and AC is on the outside.....


Well, if you can see that they are 5V @ 2A but it doesn't explicitly say "AC" or "DC" then you might also be able to see either an AC or DC symbol.  AC looks like a small sine wave, DC looks like a solid line over a dotted line (see my pic above).  This mark is usually near where the voltage is listed.

Alternatively, since you're talking about polarity labels, if there's any polarity at all listed then it will be DC. For all intents and purposes AC has no polarity.

xpd



Covid-19 Free
10647 posts

Uber Geek

Mod Emeritus
Trusted
Lifetime subscriber

  #330877 17-May-2010 13:01
Send private message

Heres the ones I found.... anyone know if theyd be suitable ? (Im being lazy now ;) )








Oh, and heres the info from the HP site...





AC Adapter
Dimensions (H x W x D)
3 x 1.9 x 1.8 in (76 x 48 x 44 mm) (including prongs)


Cord Length (approximate)
6 ft (1.83 m)


Power Supply Ratings
Voltage Range
100 to 240 V Switching


Input Current
0.3 A


Input Frequency
50 to 60 Hz


 
Output Voltage
5 VDC


 
Output Current
2 Amp






XPD^ / DemiseNZ

 

Blog         Free Games        Twitter

 

My TradeMe Goodies

 

Disclaimer - It wasn't me, the dog ate my keyboard, my account was hacked, I was drunk, ALIENS.


3316 posts

Uber Geek

Trusted

  #330882 17-May-2010 13:12
Send private message

They're all 5V, 2A DC. The only issue would be polarity, i.e. +ve or -ve tip. Give them a go, they won't (shouldn't) break anything. Probably they'll be OK. The first and last ones are positive tip, check where they're going to see what that expects.

 
 
 
 


xpd



Covid-19 Free
10647 posts

Uber Geek

Mod Emeritus
Trusted
Lifetime subscriber

  #330886 17-May-2010 13:23
Send private message

Thanks, will bring in the iPaq tomorrow and start poking it to see what its after as you mentioned :)




XPD^ / DemiseNZ

 

Blog         Free Games        Twitter

 

My TradeMe Goodies

 

Disclaimer - It wasn't me, the dog ate my keyboard, my account was hacked, I was drunk, ALIENS.


29119 posts

Uber Geek

Moderator
Trusted
Biddle Corp
Lifetime subscriber

  #330931 17-May-2010 15:43
Send private message

Two very clearly show the tip as being + on the label.

xpd



Covid-19 Free
10647 posts

Uber Geek

Mod Emeritus
Trusted
Lifetime subscriber

  #330943 17-May-2010 16:08
Send private message

(blonde moment)
Hehe yeah youre right :)

Ill tkae the packs home with me and see if one of them fit...else Ill have to get the plug switched over...




XPD^ / DemiseNZ

 

Blog         Free Games        Twitter

 

My TradeMe Goodies

 

Disclaimer - It wasn't me, the dog ate my keyboard, my account was hacked, I was drunk, ALIENS.


1 | 2 
View this topic in a long page with up to 500 replies per page Create new topic




News »

Freeview On Demand app launches on Sony Android TVs
Posted 6-Aug-2020 13:35


UFB hits more than one million connections
Posted 6-Aug-2020 09:42


D-Link A/NZ extends COVR Wi-Fi EasyMesh System series with new three-pack
Posted 4-Aug-2020 15:01


New Zealand software Rfider tracks coffee from Colombia all the way to New Zealand businesses
Posted 3-Aug-2020 10:35


Logitech G launches Pro X Wireless gaming headset
Posted 3-Aug-2020 10:21


Sony Alpha 7S III provides supreme imaging performance
Posted 3-Aug-2020 10:11


Sony introduces first CFexpress Type A memory card
Posted 3-Aug-2020 10:05


Marsello acquires Goody consolidating online and in-store marketing position
Posted 30-Jul-2020 16:26


Fonterra first major customer for Microsoft's New Zealand datacentre
Posted 30-Jul-2020 08:07


Everything we learnt at the IBM Cloud Forum 2020
Posted 29-Jul-2020 14:45


Dropbox launches native HelloSign workflow and data residency in Australia
Posted 29-Jul-2020 12:48


Spark launches 5G in Palmerston North
Posted 29-Jul-2020 09:50


Lenovo brings speed and smarter features to new 5G mobile gaming phone
Posted 28-Jul-2020 22:00


Withings raises $60 million to enable bridge between patients and healthcare
Posted 28-Jul-2020 21:51


QNAP integrates Catalyst Cloud Object Storage into Hybrid Backup solution
Posted 28-Jul-2020 21:40



Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.


Support Geekzone »

Our community of supporters help make Geekzone possible. Click the button below to join them.

Support Geezone on PressPatron



Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.

Alternatively, you can receive a daily email with Geekzone updates.