Questions tagged [adapter]

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.

Filter by
Sorted by
Tagged with
0
votes
1answer
35 views

Issues encountered when adding DC adapter to light powered by battery

I have an LED light bar powered by 6 AA batteries connected in series. There is also an RF control unit to turn the light on/off. The light eats through the batteries rather quickly thus I decided to ...
-1
votes
1answer
31 views

Adapters from Australia to Canada [closed]

I am in Australia and going to Canada I have 2 laptops that I want to take with me. and other electical stuff such as shaving machine and electrical teethbrush. I am going to get Canadian plus with ...
-1
votes
1answer
80 views

What is happening when I apply 5V DC to the DC end of a 12V AC to DC adapter? [closed]

The question is in itself a little bit confusing but I will try my best. So I have a normal 12 volt (1 amp) AC to DC wall charger, nothing fancy about it. I use that to power a fan, which works great ...
1
vote
0answers
60 views

Noise generated by monitor from Word document

I was zooming in and out of Word documents of only text and noticed that a noise was produced. The noise increased in pitch as I zoomed out and decreased as I zoomed in. I tried changing the font ...
0
votes
0answers
23 views

How to get max V output from XBox360 power supply

I have a few Xbox 360 power supplys laying around and want to repurpose for led light project I am working on. The rated output is 12V 16.5A and thats perfect for my needs Problem is how do I get ...
0
votes
1answer
30 views

Which adapter/handling to choose on (Type N) rf test devices when SMA/K cables have to be connected frequently?

I'm no expert in high frequency. But probably it is no good idea to change the adapters sitting on type N female output on and on as a torque wrench is used to fix them. But I have to make ...
0
votes
0answers
31 views

Identifying type of serial connection interface

I am having an FPC1020A fingerprint sensor which according to its specifications offers an UART and an USB interface. The images below show both interfaces: As you can see in the second picture the ...
1
vote
2answers
101 views

Identify this 2 pin DC connector

I'm looking for the power adapter for a dehumidifier (Zibro Clima D4) described in the specs as a CE approved 220-240 V, AC/DC 13 V/5A power adapter, which is shown in the manual and partially shown ...
0
votes
1answer
58 views

Can I link mismatched parts with jumper wires?

I'm out of my element here and I don't know much about electrical engineering so please excuse the bad terminology. A light on my car stopped working and it's a long story but the easiest way to fix ...
0
votes
3answers
50 views

Reduce voltage/amperage from adapter to fit another device

Complete newbie here. So I got this old gaming console with the original adapter, which outputs 8.2V / 850mA. The cable connection with the body of the adapter is somewhat loose, though, so if you ...
0
votes
1answer
52 views

Converting Battery Operated Motion Sensor Light to AC Powered

I have converted many battery powered devices to AC adapter in the past. This time around I am using a Motion Sensor light which takes 4 C batteries and is used to light a closet. When I connect a ...
0
votes
0answers
35 views

How turbocharger mobile charger works?

I have found a turbocharger from a motorola device which has 5V, 9V and 12V outputs. I want to use this charger to run raspberry pi 4. I need to know how tutbocharger changes the voltage? I am scared ...
0
votes
2answers
70 views

Are travel adapters safe to use permanently? [closed]

I got a phone from Malaysia and it comes with a UK charger(I think? see pictures). I live in EU and would need to use an adapter permanently to charge it using the fast charger it came with. Is it ...
2
votes
1answer
127 views

How to create an airline headphone adapter?

So, I have a predicament: I am a 6'5" guy with massive ears. Like it's not funny how big my ears are. When I go on an airplane, the headphones they give me are terrible and hurt my ears when I wear ...
1
vote
2answers
79 views

Is it safe to wire an AC-DC adapter directly to a DC motor? (with this setup…)

I just wanted to check that this setup is safe as I am not an electrical engineer, nor am I experienced... I am using an AC adapter which outputs 12 volts DC. It has a max current rating of 6 amps. I ...
0
votes
1answer
35 views

Adapter to plug home audio system speakers into computer

I'm wondering if there is an adapter I can use to plug two speakers that came with my home audio system into a laptop. My laptop has an auxiliary port (not sure what the technical name is) that I plug ...
0
votes
2answers
105 views

Why does dropping my laptop's AC adapter in the floor make it work again? [closed]

For several months now I've had trouble getting my AC adapter I use to charge my laptop to work. It's one of those typical looking things, with two ends and a big bulky rectangular thing in the middle....
4
votes
1answer
740 views

Why would a USB-C adapter have a pull-up resistor?

I'm talking about a USB type-C male to USB type-A female adapter, the ones you need to connect a USB flash drive to the latest MacBooks. According to USB-C specification, this sort of adapter needs a ...
0
votes
0answers
32 views

Which adapter is more suitable for a pressure transducer?

For my student project, I'm going to be using a 4-20 mA and +/- 10 V output pressure transducers and the output of these sensors will be going into a DAQ system that we purchased from DEWESOFT. Along ...
0
votes
1answer
80 views

What are these soldered/un-soldered dotted-shapes? on the traces which don't have soldermask?

Please look at this image(see the soldered/un-soldered dotted-shapes which are identified by arrows). This circuit belongs to a laptop adaptor. What are these soldered/un-soldered dotted-shapes? As ...
4
votes
4answers
573 views

Why are these traces shaped in such way?

Please look at this image(see the PCB traces within the circles). This circuit belongs to a laptop adaptor. What are those parallel soldered-traces on the PCB traces? Why aren't they soldered to ...
2
votes
1answer
56 views

Looking for a connector with only images to go on

I'm trying to find the connector used for my vehicle's accelerator pedal. Are there any strategies for finding connectors like this?
2
votes
1answer
74 views

RS485 full duplex to Adapter with A and B ports

I need to configure a sensor (Thies 3D Sonic Anemometer, Manual: https://www.biral.com/wp-content/uploads/2015/01/4.383x.xx_.xxxUS3D.pdf) via my computer, it has RS485 full duplex and half-duplex ...
0
votes
1answer
904 views

Is it safe to use a 19V DC adapter for a 12V input if it can provide enough watts? [duplicate]

I have a small TV which expects 12V DC at 34W. Can I use an adapter with a higher voltage rating (19V for example) as long as it can provide enough amps to satisfy the amount of watts needed by the TV?...
4
votes
1answer
159 views

How do USB to serial adapters work?

I'd like to know how a USB to serial adapter (such as the FTDI FT232RL chip) works. The way I think it does is the following: Picture a system composed of a MCU, a USB to serial adapter and the PC ...
0
votes
1answer
97 views

Yellow tip polarity

What does the yellow tip on some adapters mean vs the blue or silver
0
votes
2answers
71 views

Identifying this component adapter/socket

I'm sorting an old collection of electronic components, some of which I don't know what they are used for, like this one: This component is about 7 mm wide. Does anyone recognize this? Thanks in ...
0
votes
0answers
51 views

Build 100-240v Power Adapter

I am trying to power a 5v circuit from any voltage between 100-240v. I know it is possible to do this with a transformerless power supply, but only for a single voltage (e.g. 120v only), but how do I ...
2
votes
3answers
1k views

Why is a laptop power supply output voltage different from its battery?

I hope you will not mind answering. This question has long been on my mind. Normally, the adapter output voltage is higher than that of the battery. In my laptop's case, the output voltage of the ...
0
votes
1answer
17 views

Use different adapter for LG 25UM65-p [closed]

My LG monitor (25UM65-P) has original adapter (19V, 1.7Amp), can I use a different adapter (14V, 2.14Amp) for it? Has this any side effects or negative points?
0
votes
1answer
55 views

Is it normal for an unregulated AC/DC Adaptor to provide voltage after unplugging

I have an AC/DC adaptor, as it has variable voltage setting (1.5, 3.0, 4.5, 6, 7.5,9 and 12 V). Voltage readings are larger. For 7.5V setting it provides 12V, for 12V it provides about 18V. So I ...
0
votes
1answer
69 views

What is this adapter and what can I replace it with for simpler operation?

My church plant uses the D3540 pager - https://www.microframecorp.com/d3540-4-digit-wireless-visual-pager-display We have to setup and tear down the pager system every week. We have to manually wire ...
0
votes
1answer
65 views

Difficulty sourcing a 6mm dc adapter/plug/converter…any ideas?

I recently bought a second power supply for my laptop. The laptop requires a 330w power supply (it runs a desktop grade CPU), which costs around £120 (Laptop is the Asus GL702ZC). I managed to source ...
2
votes
4answers
233 views

Converting Christmas Village from DC to AC

So this was the year we bought a AC-powered O-gauge Lionel train and a battery-operated village to add to our Christmas tree decor. The problem, the village eats batteries like a kid eats cookies. ...
0
votes
2answers
370 views

How can I use a US 120 volt Ryobi charger From a 220 volt main? [closed]

I bought a ryobi kit in the us and I want to use it in in Europe. I doubt that I can plug it directly into the socket, what kind of converter/adapter do I need? Is there a way to adapt the charger ...
0
votes
2answers
41 views

In powering household devices, is the voltage preset and the amperage varies as needed?

When powering household devices, does a power adapter have a preset (or in some cases user-defined) voltage, while the device (while turned on) "selects"/draws whatever amount of amperage it needs at ...
0
votes
2answers
92 views

Is miniaturization of office device A/C adapters feasible?

Today I looked upon my desk: as you can see in the screenshot below, there are three plastic boxes containing A/C adapters for (I think all in the 12-20V and 1-2A range): screen device notebook ...
3
votes
3answers
803 views

Replaced 4x AA battery with 6V 3A DC adapter, but device won't work

I'm hoping you smart folks can help me. I'm puzzled by what I thought would be a simple DC battery to DC adapter swap. The device I'm trying to mod is a a microchip activated pet door (SureFlap ...
4
votes
1answer
739 views

Electric shock from outdoor security cameras

I just bought this outdoor security camera kit from Amazon. (Amazon product link) When wiring it up, I noticed that I got a small sharp shock when touching the small screws on the metal casing ...
0
votes
3answers
84 views

What is this called? [duplicate]

What is the cylinder on this wire? Is it some kind of adapter or transformer? What purpose does it serve? Why couldn’t it be incorporated into the primary adapter that plugs into the wall at the other ...
0
votes
1answer
49 views

Effects of Different AC Adapters On Various Electronics [closed]

Long time programmer starting to learn about electrical engineering a little bit. I have a Raspberry Pi, an Arduino, and various simple projects I've soldered together out of kits and schematics ...
2
votes
1answer
514 views

Function of the Third Pin Inside Laptop Barrel Connector

So I've been doing research on barrel pin connectors, and have been trying to apply this knowledge to understand laptop barrel connectors, specifically. My confusion relates to the function of the ...
9
votes
5answers
2k views

Difference between these RF adapters

Can someone explain me the differences between these two RF adapters. I know the one on the right is better (and much more expensive as well) but is there a difference in the functioning of these ...
0
votes
1answer
99 views

Taking Quizbowl buzzers and connecting to a computer

Recently I Bought quizbowl buzzers from buzzersystems.com and the buzzers i received use an rca cable. If you did not know basically, when you click a button, it sends a signal to a box which ...
-3
votes
1answer
161 views

Can I use a USA Led Bulb in Europe? [closed]

I am a software engineer working with an IOT company in the states, Right now I am located in Europe for a month and a half, and have some hardware (light bulbs) that I need to use to finish some ...
0
votes
2answers
225 views

DIY electromagnet using copper wire and AC adapter

I want to make for some demonstration (caching some paper clips on ON and doping them on OFF) electromagnet made from copper wire (should it be single wire?) with ferromagnetic inside coil: As power ...
0
votes
2answers
62 views

How long would the capacitors in an iPhone power adaptor hold potential energy?

I was curious as to whether one could potentially get a shock after touching, with sweaty hands, the prongs of an IPhone power adapter upon unplugging it. If possible, how long would this charge take ...
0
votes
3answers
106 views

How to replace this connector

My friend accidently stepped on a wire for his light and the tension broke the adapter's connector - I told him I'd try to fix it. I've already cut the connector off and have readied my replacement. I ...
1
vote
4answers
239 views

How do AC adapters achieve low current?

The image above shows how a typical AC to DC adapter works, high voltage (230V) at low current is fed into the primary coil and then gets stepped down to a lower voltage with higher current, ...
0
votes
1answer
36 views

Mobile charging during low main supply [closed]

Due to some electrical issues in my locality, the supply voltage of 230V was unfortunately reduced to 110V. When I connected the 5V charger (Input: 100-240V AC; 50/60Hz; 0.2A & Output: 5V 800mA) ...