Tagged Questions

-4
votes
1answer
252 views

Charging Microsoft Surface in India [closed]

My uncle is coming from US next week and I am asking him to get me one Surface RT. But main problem is that how I should charge it here? I did not find much details about power supply on the site: ...
3
votes
1answer
70 views

Can I power an interactive 'live' wall with copper tape and a 15v ac adapter?

I'm working on a class project to make a living wall with LEDs, paint, and copper tape spiral magnet speakers. I have a 15v ac adapter to power the wall and copper tape to connect the LEDs in parallel ...
0
votes
1answer
377 views

110V AC/ 9V AC power adapter (America) Vs. 220V AC/ 9V AC power adapter (Europe) [duplicate]

Possible Duplicate: Choosing power supply, how to get the voltage and current ratings? I have a device that I brought to Europe from America. It has a 110V AC/ 9V AC power adapter that ...
1
vote
1answer
448 views

9v AC 2000mA power adaptor for a 9v AC 1000mA device [duplicate]

Possible Duplicate: Choosing power supply, how to get the voltage and current ratings? I need to replace a 9v AC 1000mA adapter for a 9v AC 1000mA device but all I've been able to find is a ...
0
votes
1answer
218 views

Can I use 16V power adapter for scanners that need 12V? [duplicate]

Possible Duplicate: Choosing power supply, how to get the voltage and current ratings? Will they be damaged? The two HP deskjet 2400 and 4300C scanners need 12V, 1.25A as I read. I only ...
0
votes
2answers
136 views

Current/milliamp rating of adapter versus device requirement [duplicate]

Possible Duplicate: Choosing power supply, how to get the voltage and current ratings? My DC adapter for a cordless mike has broken It' ratings are: Input 230-240V ~ 50Hz 30mA Output 20V ...
4
votes
1answer
165 views

AC / DC adaptor, unexpected voltmeter reading

I'm planning on using an AC/DC power adaptor to power an Arduino and various devices. Before actually powering up the Arduino with the adaptor I wanted to play with the AC/DC adaptor, as it has ...
-2
votes
2answers
267 views

5V and +5v charger adapter, What is the difference? [closed]

I am trying to buy a stand-alone charger for my Archos 48 500Gb Internet media player. I think it uses a charger which is Output 5V 2A, but I recently came across a ...
0
votes
2answers
3k views

Can I replace a power adapter of 1.5A with one of 1A? [closed]

I have a Western Digital external hard drive that uses a power adapter to 12v and 1.5A, and it stopped working. I tried it with a tester and doesn't output any current at all. Can I replace it with ...
1
vote
1answer
2k views

Converting Power/Watts in DC to Power/Watts in AC?

How can we convert Watts in DC to Watts in AC? for e.g A device needs 1A and 12V DC input i.e (1A x 12V = 12 Watts) 12 Watts DC. If we use an AC to DC adapter/converter to generate 1A,12V (12Watts) DC ...
0
votes
4answers
3k views

Friend used a 12V power adapter instead of a 9V adapter without looking. Is my guitar effect pedal wrecked?

Pretty much what the title says. Later I tried a 9V adapter which I brought from home and the pedal isn't releasing any sound. On/off lights are saying it's off. Cables and the 9V adapter from home ...
8
votes
6answers
11k views

Is it possible to power a cordless drill from wall socket adapter?

I have a dewalt 18V cordless drill. I am wondering if it is feasible to build an adapter that can power the drill from a standard US wall socket? A typical DeWalt drill needs 2.6 amps with no-load. I ...
4
votes
3answers
720 views

Correct DC Adapter type to use for Arduino

What's the correct DC Adapter to use with Arduino? Voltage etc?