In electronics the term adapter is normally used to describe something that converts from one connector or package to another. For example a BNC to SMA adapter is an example of a connector adapter, while an SOIC to DIP adapter is an example of a package adapter.

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28 views

Cable : USB mtp but not mass storage

So I purchased a small Micro usb right angle from ebay, one end is male micro usb B and the other end is the same but female, and at a 90 degree angle. I originally intended to simply apply heat and ...
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0answers
30 views

Ups or voltage stabalizer ? What isbest in this situation? [closed]

I damaged my macbook charger due to power surge or drop maybe not sure when switching to and off power from home generator To prevent it in future can i use a ups with the charger to prevent such a ...
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0answers
30 views

Easiest way for USB-C to USB-A adapter design

I'm looking through USB 3.1 specs and can't find any answer about one simple question. I'm designing USB Type C to USB 3.0 Female A adapter, which will require USB 3.0 bandwidth (5Gbps) and standard ...
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1answer
35 views

How to properly compute device need and set of a Universal adapter for powering said device [duplicate]

So, I just blew the fuse in my 17" monitor using a universal adapter with the settings Input: 100-240V 1.5A(1.5A) 50/60hz Output: 15/16/18.5/19.5/20/22/24V (max of 70w) I want a clarification of ...
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21 views

difference between triax and TRB

I have been trying to find an adapter in DigiKey from my triaxial cable to my oscilloscope which has a BNC female input. The cable I am using is this one: ...
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0answers
34 views

How do I know what kind of adapter to purchase for my equipment. Amps? Volts? Both? Thanks [duplicate]

I have an old bulky adaptor mean to power 2 items. I only have 1 of those items now that needs to be powered. I want a new, smaller more portable adapter. What info do I need to buy a replacement. ...
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1answer
40 views

How do adapters work with different number of pin inputs/outputs?

I'm going to be working on something that requires me to use a GPIB to USB adapter, which made me look up the pin diagram for both. The GPIB has 24 pins, whereas a USB only has 4. The USB has a ...
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1answer
51 views

Arduino VIN driven LED strip not working

I have an Arduino Uno drawing power from a 9V wall adapter plugged into its power jack. I have a 12V LED strip connected to the VIN pin of the Arduino (positive side to the VIN, negative to GND, of ...
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4answers
109 views

Explantation for fried charger with Multimeter

I have a 9v AC to DC wall adapter that I use to power my Arduino boards. The label says it gives 9v at 1000ma but I wanted to test the validity of the label to troubleshoot. When I connected my ...
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1answer
35 views

Problem with the grounding of the speaker and adapter [closed]

I have a problem with my speaker, Altec Lansing iM7, whatever device(iPhone, iPod, android phone) I plug into the ports of the speaker I get a electrical shock :/ I don't know what the problem could ...
0
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1answer
22 views

adapter replacement for 12V 0.5A [closed]

Can I use a 12V DC 1.0A adapter in place of a 12V DC 0.5A adapter for my piano keyboard? The keyboard comes with a 12V DC 0.5A adapter but it is lost. I found a 12V 1.0A and wanted to know if it can ...
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1answer
40 views

My robot's motor has begun to spin slower, but it works perfectly if I use a different adapter with more voltage.. what does it mean?

I have the iRobot, a ping pong throwing robot. I've used it for years without any issues. At one point, my cats chewed out the original AC Adapter but luckily I had another one on hand from another ...
0
votes
1answer
71 views

PC fan DC adapter power requirement? [duplicate]

I just bought a 120mm deep cool fan with a rating of 12v, 0.07A (70 mA)= 0.84watts Currently I only have a 12v 2.5A (2500mA) DC adapter. I'm a complete noob in electricals...so the question is- Can ...
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0answers
51 views

What specs of power supply should I get for an IR controller for RGB 5050 LED strip?

Here's the story: Bought an LED strip kit (including 5M reel (150x5050 LEDs, rated at 36W), an IR controller, 12V, 2A AC-DC power adapter and a controller). The power supply failed after a few hours, ...
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1answer
89 views

Two power sources connected with one device, from where will get its power [closed]

Hello and thanks for your time reading my post. I've my router connected with its adapter and a battery for backup. Details: The adapter output 15V and 0.4A The battery output 12V and 12A The router ...
1
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1answer
114 views

AC-DC Adapter - Output lower than rating and what's this 'cont' output for?

I have a Canon AC adapter, Model K30321, that I'd like to use in a project. I'm attempting to test the adapter for correct voltage output. Adapter specs: ...
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1answer
64 views

Name of the HP Female Adapter Socket In My Laptop

I have this HP powerbrick with a 90W capacity (19v 4.7A) that I want to use in my project. I am planning to use it as a power source for my 50W LED. But I want to keep the male socket it has rather ...
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1answer
42 views

DC Adapter marked “9VDCX2”, what is the X2?

I have a keyboard that needs a 9v power supply. I've found one home that is marked as 9V DCX2. What does/can the "X2" mean after DC? It literally says "9VDCX2" Extra info: The adapter was originally ...
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2answers
58 views

Power Supply amp doesn't match with adapter. Can I use the adapter? [duplicate]

Can I use this LCD display: http://www.itontec.com/product-detail/product-name-7/ With this adapter: *Display Specs: Power Supply(5~12V 2A) *Adapter Specs: Output: 12V - 1A Is that safe to use ...
1
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1answer
507 views

Dropping 12V to 7.4V

I'm trying to power up my NXT Mindstorm Brick which needs 7.4V (at least, that's what the battery output is) with a 12V Power Adapter. I'm doing that because I want a constant supply from the socket ...
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1answer
99 views

AC DC adapter voltage regulation

I would like to make a dimmer for several ikea desktop LED lights. This one is plugged on a LED driver (adapter) with specifications: Primary:220-240VAC 50/60Mhz, 0.06A Secondary: constant current: DC ...
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1answer
121 views

Why are some AC/DC adapters light while others are heavy?

I was browsing the thrift store and found a nice pair of JBL 2.0 computer speakers, but they lacked a power adapter. They call for a 12V 1A supply. I have a ton of "bricks" lying around, but no 12V ...
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1answer
58 views

Need Help… So Confused with this QFP32 SA663 Socket

I purchased an SA663 clone QFP32 Socket online, but to my extreme dismay, it doesn't work, or at least I haven't been able to get it to. Basically the original SA663 is a 1:1 pinout. But after trying ...
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0answers
71 views

Power adapters 5v

Today, I wired my home door bell to the mains because I had to keep replacing battery every 2 months... It required a 9v supply and I had two identical door bells. As I only had a 17v power adapter ...
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2answers
128 views

What do you call a transformer separated from a wall plug?

I got a hold of (from a friend) a AC->DC 5v 2a power transformer - it connects to the wall with lamp cord/ figure-8 connector, and has a USB plug on the other side. I can't for the life of me find ...
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1answer
83 views

How do I read my AC Adapter label. [duplicate]

My AC adapter reads... Output: +12V DC symbol 12.5A Input: 100-240V~ 50-60Hz 2.5A I would like some clarification on if i'm reading/understanding this ...
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2answers
131 views

how can i decrease the voltage of an AC-DC adapter without decreasing current (mAmpire)

i have an AC-DC adapter with 5volt 350mA (actually an old cellphone charger). i need to decrease it's voltage to 3volt. i tried adding a resistor in series & it worked, but it also decreased the ...
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2answers
81 views

run LEDs with cellphone charger

I wanted to run LED bulbs with a mobile phone charger/adapter ( input: 220v AC, output: 5v 350mA, nokia). but the LEDs become very hot & I'm afraid they may burn. i don't know the ratings of these ...
0
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1answer
106 views

Power adapter versus Power supply

I have a mini water-pump/motor hooked up to an LM338 (similar to LM317, but capable of higher current output). I set up the LM338 to create a 6.1-V output, from an 18-V input; this was done by ...
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2answers
70 views

Is it safe to connect battery in series with wall adapter?

Is it safe to connect a battery in series to wall via adapter? I have an AC adapter which gives me 10 vDC from the wall (220 volts). I've measured the adapter and it outputs 10 vDC. I have a 3 volt ...
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2answers
108 views

How do I connect the edge connectors on the PCB to a breadboard?

How do I connect the edge connectors on the PCB (shown in the below image) to a breadboard ? Are there any standard breakout boards or Adaptors available for this purpose ? Link to the user guide of ...
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1answer
60 views

Bad if I use adapter of higher Ampere? [duplicate]

I'm looking for an adapter for my Keyboard piano. I am not sure about the specifications of the original adapter, but I've looked up some online and I've found two adapters that supposedly should fit ...
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0answers
23 views

I cant figure out which power adapter would fit these requirements [duplicate]

I have a router which requires the following Input Power: 42-59 VDC, 457-325 mA, 19.2W Cant seem to find any adapters that provide 42-59 VDC. Would I have to satisfy all these requirements or just ...
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2answers
559 views

How to make an external PCI adapter that runs on USB3.0?

Motivated by old PCI (NOT PCIe) cards, and laptops without expansion slots, I want to try making a PCI-over-USB 3.0 solution. This is about 70% experimentation, and 30% actual use. Is this viable? I ...
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3answers
268 views

What happens if I supply a higher voltage than the rated voltage of my jack?

I want to replace the original jack from my notebook with a new one since it is broken (and I would like to avoid to replace it with the same as the original). The original AC adapter supplies 19V and ...
0
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1answer
30 views

Amperage for Sony SNC-VB630 Camera [closed]

I am trying to choose a right DC adapter for SNC-VB630 CCTV Camera but the only specs I could find in the official documentation was 'INPUT 12V DC'. Nothing about amperage. I have a 12V dc adapter ...
13
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2answers
527 views

Digital data coming out of a cell phone headset mic?

I want to connect a sound board / mixing console / whatever-you-prefer-to-call-it to the headset jack of my Motorola Android phone. I know the typical TRRS pinout of Left/Right/Ground/Microphone, and ...
1
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2answers
97 views

Does a typical mobile adapter draw current when no load is attached?

Summary: I am comparing the trade off of wasting my time daily plugging and unplugging multiple chargers at multiple sockets. I need to know approximately how much Amp is my adapter drawing every ...
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2answers
486 views

Do I use a 5V 2A or 3A DC adapter to power my 2m (6.5ft) WS2801 LED strip?

(Please excuse me if my English is bad) I recently purchased a 5m LED strip, but I only need to power approximately 2m (6.5ft) of the 5050 RGB LED WS2801 strip, but I'm afraid that a DC power adapter ...
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1answer
47 views

Max Current Output [duplicate]

Looking around at a couple of power supplies that I own such as a guitar pedal adapter that says it puts out 9V and 1700mA max, how does a power supply like this work so that it doesn't put out too ...
0
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0answers
159 views

Is it possible to make a Lightning connector extension cable with a micro USB added?

I want to make a male lightning connector to lightning connector-female and micro USB-female adapter. The end result would work like an extension cable for the lightning connector, but on the female ...
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1answer
312 views

Unregulated AC-DC adaptor voltage response

This is my first post. I'm a long-time computer programmer but new to this field of hobby electronics. I bought a 12V 800mA AC/DC adapter to feed my circuits. Seems it's unregulated since the ...
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2answers
387 views

Powering SMD 5050 strip via LM2596 DC/DC converter

I decided not to order / use the power supply typically sold with SMD 5050 kits. I heard a lot of explosion stories regarding those dodgy stuff. I want to make my own (power supply to drive SMD 5050. ...
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1answer
91 views

What is the use of this pin in my AC to AC converter [closed]

I am using a 9V AC converter for a digitech product. But I notice that there is a pin in a socket kind of thing in the adapter. What is the use of this pin?
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1answer
149 views

Supply voltage drops AFTER connecting to device [closed]

I have a 19V 2.1 amp (power mentioned is 45 watt) laptop adapter connected to a 19V 2 amp laptop (in description power mentioned 10.2 watt). When I plug the adapter, the multimeter shows the rated ...
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6answers
2k views

DC adapters: why so few amps?

If I have a device that draws 5 amps at 12 volts, I can use any 12 volt DC adapter that can provide at least 5 amps. Why don't all DC adapters have the capacity to provide loads of amps!? If all DC ...
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1answer
122 views

Electrical part question

Does anyone knows the name of the part that connects with this power adapters cable?
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1answer
137 views

Understanding the input specifications for a laptop adapter [closed]

The sticker on my laptop adapter claims the input should be INPUT: 100-240V~ 2.5A(2,5A) 50-60Hz What does all this mean? Here are a couple specific questions: Can the adapter accept anywhere ...
3
votes
2answers
909 views

Connecting power source to Arduino's 5V pin

I have an Arduino board connected to a Neopixel Ring. This Ring draws more than 0.5 Ampere, so it needs its own power supply (not drawing power via the Arduino board) I found this schematic that ...
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1answer
555 views

Question on 3DS power adapters, minor voltage difference [duplicate]

I am going to be traveling overseas and bringing my Nintendo 3DS which the adapter outputs DC 4.6V 900mA. I found an unofficial USB cable to charge it and I was curious if the minor variance in the ...