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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.

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How can I make an adapter wiring for a TRRS microphone to TRS?

I'm making a sound level meter using a Raspberry Pi as part of my thesis. My professor has given me a TRRS microphone to work with. I tried to make the TRRS microphone work with the Raspberry Pi ...
Χρήστος Παρασκευάς's user avatar
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1 answer
40 views

Best practices for combining dual mono to stereo? [closed]

I have two old-style telephone pickup coils, each of which has a 3.5mm mono (TS) male output. I made a simple adapter that just runs together the grounds from both inputs and connects each positive to ...
Michael's user avatar
0 votes
1 answer
91 views

Prolific PL2303 knock-off USB-TTL adapter without timing crystal

I recently got this bare-bones USB-TTL adapter which unsurprisingly contains a knock-off Prolific chip but on top of that it is entirely without the crystal oscillator. It seems to be missing some ...
Jamesfo's user avatar
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7 votes
4 answers
866 views

Characteristic impedance of a BNC jack to jack adapter

I have this BNC jack to jack adapter. I want to measure its impedance but I am reading around 1mΩ. The datasheet says that it is a 50Ω adapter. Why am I measuring such a low resistance?
Santi Ospina's user avatar
3 votes
0 answers
72 views

Designing a U.2 to M.2 NVMe adapter

I'm considering designing my own U.2 to M.2 converter card to make use of the four U.2 (PCIe 3.0 x4) connectors on my motherboard. Commercial products are available for doing this type of conversion, ...
Polynomial's user avatar
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0 votes
2 answers
54 views

If I provide this wall power strip 240V 50Hz instead of 120V 60Hz, what do I get back out? [closed]

I'm looking at this product, and next to the plug, it says: Input Voltage: AC110-250V Maximum Power: 2500W 10A USB Output: Total Max 3.4A Frequency: 50/60Hz It ...
user541686's user avatar
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1 vote
1 answer
159 views

How to design an SD card to Memory Stick adapter?

I want to design an SD card to Memory Stick adapter. I will need to somehow implement SD controller (host) and Memory Stick controller (device) in my design, then do the translation between the ...
tpimh's user avatar
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1 answer
30 views

2 Row Ribbon Cable Connector Pin Swap

I have two different LCD displays that uses a 2 row, 16 pin connectors. For reasons unknown, one of the designs has customized the connection and implemented a pin swap that makes using an off the ...
Michael's user avatar
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0 answers
45 views

How to check if I destroyed the bluetooth receiver

I have very little experience with electronics but I tried converting my Logitech unifying receiver to USB-C. I followed the steps I found online and got a functioning result. I based my wiring on the ...
Tee Mizzle's user avatar
0 votes
2 answers
82 views

Is my 600mA, 9V adapter suitable for a MB102 breadboard power supply?

I've recently bought a 600mA, 9V adapter thinking that it would be suitable for a MB102 breadboard power supply but have now read that the maximum output of the MB102 breadboard power supply is 700mA ...
J R's user avatar
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1 answer
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Old piano Power adapter [closed]

I bought an old Roland EP-9e digital piano from eBay. The seller mentioned that it was missing a power supply. I purchased a matching power supply, 12V DC 2A. However, upon trying to plug it in, I ...
Nico's user avatar
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0 answers
103 views

How to make a recent laptop touchpad work on PC with an external PS/2 USB adapter

I want to make a laptop touchpad work individually with a USB adapter, but failed, on a recent Thinkpad E14 touchpad part. Some articles on the internet said they succeeded connecting the touchpad ...
sdrkyj's user avatar
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0 votes
0 answers
28 views

Power adapter output voltage detection [duplicate]

Not sure if this is right place for this question, but since I don't know where else to ask, I will do it here anyway - if this is wrong exchange, please let me know ... I have 35 W phone charging ...
Filip Ž's user avatar
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0 answers
45 views

Calculate power adapter to use [duplicate]

My wife acquired second-hand model houses with lights and an single adapter which had 5x DC power outputs, one for each house to light up. She was using it and the adapter started to smoke and catch ...
Chris's user avatar
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1 vote
1 answer
251 views

Split a single power source to act as two independent power sources?

Disclaimer: I'm very new to electronics. I am building a Bluetooth speaker using an ESP32 dev-board and an I2S DAC which outputs to the audio-amp and then the speakers. I am using a 12 V, 3 A adapter ...
logic8's user avatar
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1 vote
0 answers
56 views

PCB Adapter for different signals

I need to use a connector that only exists in a version for PCB installation, but I have to connect it to a cable; so, I was thinking of making a small adapter PCB on which to directly solder the ...
Federico Massimi's user avatar
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1 answer
61 views

How to wire Emerson AC/DC Power Supply in USA? Came with a Chinese power cord

I'm trying to wire up this AC to DC converter and have never seen the connections that this thing came with. The converter is an Emerson R48-3200. The label shows AC input 200-250 Vac 18 A 50/60 Hz. ...
Confuzd's user avatar
1 vote
1 answer
100 views

What kind of package is this? Expected a tsop flash but I don't know

I'm a beginner in the electronics world. I opened this Chinese bootleg Sega genesis cartridge and in the place I expected to find a tsop flash chip I found this kind of adapter board with a package ...
Miguel Ángel's user avatar
3 votes
3 answers
166 views

Bypassing battery to power car while camping [closed]

I'm considering going camping but I only have a car, not an RV. The campground has a 50 amp socket for RVs. In order to have power insider the car for air conditioning, charging phones and laptops, I ...
user84207's user avatar
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1 vote
1 answer
132 views

What is this wire-to-board connector?

For my project I want to use the circuit board of a SRAM Eagle AXS controller. But I can’t figure out which kind of connectors they used for this. The male connector is 4 mm wide. Maybe someone has ...
iPopances's user avatar
1 vote
2 answers
90 views

Old car patrol light

One of my friends has a car patrol light. He wants to use a transformer to supply power. This light has two lightbulbs, 50 watts each. The front light is red and stays on, on the opposite side is an ...
Carlangas Peralta's user avatar
2 votes
2 answers
290 views

Transformer that doesn't take power when not used

With Is this (working) 2-doorbell system dangerous? and Why is it impossible to connect these two doorbells in series or parallel?, I arrived to the conclusion I need a new 220 V AC => 10 V AC ...
Basj's user avatar
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1 vote
1 answer
80 views

Alternative power source or bypass altogether? [duplicate]

I need to replace this 20+ year AC/AC 7.5VAC (4.0MM x 1.7MM FEMALE) adapter, but can not find it anywhere. I'm looking for advice on what may work in its place, or if there's a way to bypass it ...
Luke's user avatar
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0 votes
0 answers
57 views

How to extend USB-C cable (USB 3)

It's look like this question is simple, but it's not at all. See here what I did. I have MacBook Air M1 base model, and I have lack of capacity, it's only 256, so I thought I need more space So I ...
AbdAlgani's user avatar
2 votes
4 answers
121 views

PCB Mount Switch to Breadboard Adapter

I'm currently working on implementing this switch in my project (PCB Mounted). I'd like to move to the part of my project where I can implement a looks-like, works-like prototype, but I'm currently ...
Jelani Thompson's user avatar
0 votes
2 answers
88 views

I need an adapter for a 9-circuit/2-row dual USB computer cable from 0.1" to 2 mm pitch [closed]

Consider the (female) connectors in following photo: On the left hand is a (sort of) typical PC case power switch connector (the braided cable goes to the actual switch. On the right hand is another ...
einpoklum's user avatar
  • 105
0 votes
2 answers
369 views

Why is the power adapter external (not built in) to the monitor? [closed]

I am considering to tape this dangling box to the back of my PC monitor for easier manipulation - I carry the screen up and down every day. However, my intuition has raised a red flag. Perhaps there ...
Martin Drozdik's user avatar
1 vote
1 answer
59 views

Adapter sockets for different TO can pin circle diameters

I need to mount a laser diode from Ushio with 2.0 mm pin circle diameter, onto a combined strain relief/ESD protection cable from Thorlabs, which has a socket with 2.54 mm pin circle diameter, Are ...
srhslvmn's user avatar
  • 131
0 votes
1 answer
86 views

What is the protocol that is being used in this Bluetooth dual SIM adapter that transfers voice and SMS? [closed]

I saw this product randomly on YouTube, and I'm really curious about the protocol it uses to communicate with the phone and how the phone can detect SIM cards. It uses Bluetooth for communication. For ...
T R Y's user avatar
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0 votes
1 answer
49 views

How can the voltage of the original battery differ so much from the voltage of the original adapter?

It's about Xiaomi Mi Notebook Pro 15.6" 2019 JYU4148CN. The original battery has a voltage of 7.6V and a current of 7.9Ah, the total Capacity is 60,040 mWh. The original adapter has a voltage of ...
Anton Belsky's user avatar
1 vote
1 answer
63 views

How are Mac AC adapters compatible when they are different voltages?

I recently had my Mac AC adapter die on me, so I just cut the end off and soldered it on to an old Lenovo AC adapter I had laying around. Since they are both 20V AC adapters, it works fine, but I am ...
Saaif's user avatar
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0 votes
1 answer
75 views

What fire tests are done on power adapters/chargers?

I was curious about the fire risks in using a typical AC-to-DC wall adapter (e.g., this) and went to the UL website to learn what exact tests were done to get the "UL LISTED" stamp, but I ...
bobuhito's user avatar
  • 554
1 vote
1 answer
842 views

Replacing 4pin USB with USB-C works only in one direction

I have an AR1100 with a usb mini-B female connector : https://github.com/adafruit/Adafruit-AR1100-Resistive-Touch-Controller-PCB Basically 4 usual USB pins : GND, D+, D-, +5V I want to replace it with ...
Balobiana's user avatar
3 votes
2 answers
143 views

Adapter Power draw

On the adapter it says Input ~230V 1.5A, Output 29V 1.5 A. If the adapter draws 1.5 A at 230 V and transfers them at 29V wouldn't that mean a power consumption of (230-29)V *1.5A = 301.5W in the ...
klingeron's user avatar
0 votes
0 answers
58 views

Measuring voltage across one end of a 50 ohm bias T and the other end is 50 ohm terminated

I was looking to measure the output voltage from one of the PCBs using a multimeter. I connected the center of the 50 ohm T adapter to the DMM, one end of the T adapter to the output port of the DUT i....
devd's user avatar
  • 1
1 vote
1 answer
83 views

Sourcing a through-hole T-Connector male/female part for children's ride-on toy

I am having difficulty finding the through hole version of these "T-Connectors" as I've been able to identify from blog posts. The type of adapter used can be seen in this image below and it ...
Christopher Aliotta's user avatar
0 votes
1 answer
74 views

What is the polarity of a custom power supply? [closed]

I have a custom power adapter (this one), but I do not understand what the correct polarity is, as its tip can be reversed. In the picture I have highlighted the marks in the current situation (so the ...
RDGuida's user avatar
  • 101
4 votes
2 answers
388 views

What are DIP component carriers used for?

I was looking for SOP16 to DIP16 adapters, and I came across this Connector DIP Adapter Header 16 Position 2.54mm Solder Straight Through Hole. What is it and what does it adapt between?
kenntnisse's user avatar
1 vote
1 answer
839 views

Should I use a ferrite core on my AC adapter? [closed]

I'm using an AC adapter for a port replicator (it meets the voltage and provides more amps) which doesn't have the ferrite core the original one had. Should I put one of these ferrite cores on it or ...
const314159's user avatar
0 votes
1 answer
111 views

Socket or Surface Mount Adapter? (SOP16 to DIP16)

I'm looking to use a HX711 chip (which says it's a SOP-16L package,) and attach it to a circuit on a breadboard. I've found two ways to do so: a socket or just the adapter. Is there any difference ...
kenntnisse's user avatar
0 votes
2 answers
163 views

Adapter for a function generator output

I want to order this adapter, but I can't find it on the web. Can anyone please confirm the exact name of this adapter for a function generator having a channel output and terminals for a DC power ...
Alison's user avatar
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0 votes
0 answers
49 views

Surge protector + mains power adapter safe?

I was looking for a surge protected power strip/extension lead that could be mounted, have 6 or more outlets and came with a 5 meter mains cable with Type G (British plug) inlets and outlets. Having ...
Curtis Lisle's user avatar
0 votes
2 answers
1k views

5.5x2.1mm Female Connector on 5.5x2.5mm Male Tip

Recently I lost my LG-27GP850 monitor power adapter which was 65w (19v, 3.42a). I could not find same tip size & watts power adapter. That's why decided to use other companies original adapter but ...
mdraselkhan's user avatar
2 votes
1 answer
153 views

What is the name of this battery connector?

What is the name of this battery connector? This is the link to the battery itself.
rakeshbs's user avatar
  • 123
0 votes
1 answer
130 views

Inverter output to power laptop

I would like to gather info on power requirements for an electric system for a caravan, but I struggle with basic understanding. My laptop needs to run off the 12 V battery, but the laptop charger has ...
Petr Kováč's user avatar
1 vote
2 answers
45 views

Driving a DVI monitor from a monochrome source

I have a plasma display EL8358MS that is defective (burnt out.) The display has a signal convertor with these inputs: ...
sergiu's user avatar
  • 21
0 votes
0 answers
118 views

Using a DMF5001NY-LY LCD with a Raspberry Pi Pico W

I just got myself a Raspberry Pi Pico to learn electronics and MicroPython. I was digging in my pile of "I bought this to do something one day with it, but never did" and found an old ...
Nissaba's user avatar
  • 101
2 votes
1 answer
770 views

How to loosen DC barrel jack to fit with 12 V adapter?

I have a DC jack such as this: The lot that I bought are all too tight to fit a 12 V Adapter plug into them. Plug: How do I loosen the jack? Are they always stiff when new? Should I buy new ones? ...
Thermal_insulator's user avatar
1 vote
1 answer
100 views

Battery replacement for 16 VAC

I have a mains power adapter that powers a small model train set. I would like the option to power this off a rechargeable battery, although I'm not sure this is possible, as it uses AC. My current ...
Patrick Goddard's user avatar
4 votes
3 answers
5k views

What adapter do I need to replace 4 AA batteries?

I have Yale Linus lock installed at my home. It has 4 AA alkiline batteries inside, and it grinds through them like hot knife grinds through butter. Therefore I want to convert it to an AC powered ...
Kevin Kopf's user avatar

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