Questions tagged [consumer-electronics]
For engineering questions involving consumer electronics. Support / troubleshooting questions about consumer electronics are off-topic and will be closed.
95 questions
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Printing a custom microprocessor
So I have built a microprocessor in Logisim.If I extract its VHDL code can I print the microprocessor somehow(I mean to create it physically).Are there companies which print microprocessors?
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0 votes
3 answers
90 views
What did the amount of seconds of "shake memory" that portable CD players had mean?
In the 1990s, I looked at catalogues showing portable CD players. Many of them featured an ever increasing number of seconds of "shake memory"*. Cheaper ones had a lower number of seconds ...
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263 views
What is the pinout for the 9-pin connector on a 97Wh Dell laptop battery?
I'm working with a 97Wh battery from a Dell laptop, and I'm trying to understand the pinout of its 9-pin connector for troubleshooting and possible repairs. I know the pins are used for power, ...
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270 views
How do hearing aids react to induction hobs?
I wear hearing aids, and since I got an induction hob, I notice that when I use the 'Power' setting, my hearing aids will start "buzzing" the closer I am to the hob. This does not always ...
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1 answer
343 views
Mackie cr4-x studio monitors cutting audio when the input volume is too low
So I bought these used active studio monitors recently and use them with trs cables connected to my SSL2 audio interface. Everytime a track gets too quiet they cut the audio to a barely noticable ...
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1 vote
1 answer
111 views
Can the Processor Cores on SSDs be Used for General Computation?
Background: Read this article on Tom's Hardware that mentions SSDs, and during the process notes: "[The] Silicon Motion's SM2263XT PCIe 3.0 SSD controller [...] adheres to a dual-core ...
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1 vote
1 answer
3k views
What is the ideal oil for an electric razor?
As in the title, what is the ideal oil for an electric razor, and why? I might add that the electric razor will only be used at room temperature. What oil would an engineer select for their electric ...
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35 views
How to measure the electrical properties to ensure the performance of a thin electrode/insulator stack-up?
I am a mechanical engineer by trade, and I am looking at some basic electrical properties that I need to measure to ensure the device meets the desired performance. The device consists of a two-layer ...
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1 vote
3 answers
472 views
How can I keep a low voltage electromagnet on continuously for long durations of time?
Background I have an application that requires an electromagnet (either 5v or 12v) to be powered on for long durations of time (up to a few hours). While looking for one online, I was having a hard ...
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2 votes
1 answer
130 views
Does MEMS/Optical Gyroscope record Earth's Rotational and revolutional angular velocities
I am using a 3 axis gyroscope (Android device) to record angular velocities using a sensor data logger application. When the device is placed stationary, the gyroscope recorded the following values: ...
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0 votes
2 answers
129 views
Residential 120V AC vs 12V DC
Can I repurpose residential LED lights (slim, 120V recessed) for my RV by directly providing them with 12V DC power, or is a more accurate approach required to bypass the existing circuit board?
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2 votes
1 answer
4k views
Why do most lithium batteries have 4 terminals?
Most consumer devices that have lithium single-cell batteries have 4 connections. I've noticed the following diverse types of devices, this is true: Samsung smartphone with removable battery GoPro ...
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227 views
How does this Dyson Airwrap work?
so I’ve been looking into Dyson a lot, and how their stuff works (like AirWrap) and I came across like this picture: Is that bit I circled a heating part please? How can it heat, it just looks like a ...
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1 vote
1 answer
101 views
Is a powder fire extinguisher not good for CRT TVs?
I'm about to buy a standard 6-litre powder fire extinguisher. However, in the description, they all say: Suitable for [blablabla...] and for electronic devices up to 1000 V. Up to 1000 Volts? But ...
1 vote
1 answer
125 views
Should I be worried about the "electron shower" I receive whenever I turn on my 1989 CRT TV?
If I stand in front of it when I press the "small power button" (the one which actually turns on the screen, as opposed to the big switch just giving the entire unit power), my big 1989 TV ...
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