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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Is it normal for DC wall adapter power supplies to provide voltages above the nominal ones?
When I measure a 9V DC wall adapter power supply with a multimeter it shows 11.8V. When connected to my board this voltage lowers to 10V. Is this normal? Should I be afraid of toasting my 1117CD-5.0 ...
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Cellphone charger has no transformer?
I opened up a really tiny mobile phone charger I have, to see how it is designed. The entire "charger" is integrated into a small 2-pin mains plug, 1 x 1.25 x 0.5 inch, that has an USB socket for the ...
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Reading and understanding electrical specs on laptop AC adapters
My Dell laptop comes with an AC adapter with the following specs:
65 W
Input AC: 100 - 240 V, ~1.5 A, 50 - 60 Hz
Output DC: 19.5 V, 3.34 A
My HP laptop:
...
user3320
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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 ...
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Why a high voltage AC always present in SMPS AC to DC power adapters
I'hv seen every 2 pin SMPS AC to DC adapters shows a little high voltage respective to the ground on the out put, on both + and GND wires(or more if more wires present).
This voltage is high enough ...
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Why would a multimeter give an unexpected current reading?
I assume that the multimeter should read 2A for a 2A power supply, why is it only 0.358A?
Edit: After watching a video on the basics of using a multimeter, I realised that as well as short circuiting ...
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Source for a ssop to dip adapter?
I need a prototyping adapter for a ssop 24-pin package. Google turns up plenty of dip adapters for 5-7mm chips, but the chip I have is 3.9mm across the body and 6mm to the tips of the pins.
Anyone ...
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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 ...
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How to utilize HDMI port on FPGA (basic)
Two questions.
I have a Xilinx Spartan 6 FPGA which only has HDMI ins and outs. Is there some sort of guide or pre-written code that I can use to start sending images to the screen? I have no idea ...
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How can I adapt a 3-pin PC fan connector to a 4-pin connector?
My computer's motherboard uses all four pin fan connectors with no support for speed controlling the older three pin fan connector. The problem is, all the PC fans that I have use a three pin ...
anon
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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?
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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 ...
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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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How do these new-fangled phone chargers achieve step-down?
There appear to be two kinds of power supply adapters in market.
The first/older kinds were such that they were reasonably heavy and had a small transformer inside the adapter itself. The newer ones ...
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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 ...
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