Questions tagged [consumer-electronics]
For engineering questions involving consumer electronics. Support / troubleshooting questions about consumer electronics are off-topic and will be closed.
20
questions with no upvoted or accepted answers
2
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answer
63
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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:
...
- 21
2
votes
0
answers
39
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Electrical component most likely to fail in window AC unit after power surge?
I have a window AC unit, 115 VAC, 10 amps. Power went out earlier in the week due to the big storm on the east coast and once it came back on every LED on the control panel was lit (not typical) and ...
- 2,347
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33
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Health hazards of disassembling electronic devices?
I´ve been disassembling a lot of electronic devices in order to recycle them, separating plastics, electronic boards and bolts/other metal parts.
Is there any proof of health hazards for doing it ...
- 21
1
vote
1
answer
567
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How realistic is the "death by CRT monitor" scene from Final Destination?
First of all, I realize that not only is this a fictional scene in a movie, but a movie (series) particularly infamous for its ridiculous, over-the-top death scenes.
Yet, I have heard of basically ...
- 11
1
vote
0
answers
69
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What on Earth is a "mute module"?
Studying the extremely intimidating manual for my newly found and rescued 1989 JVC television set, which makes me feel very stupid and as if I'm looking at some sort of alien technology, I found this ...
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1
vote
0
answers
305
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Analysing UART Signal From E-Scooter Controller
I'm currently working on a project with an electric scooter, I intend to install a larger battery into the scooter and also replace the stock 300W controller for a VESC. BUT I want to keep the ...
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1
vote
0
answers
45
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How long can I reasonably expect my external USB HDDs and memory sticks to last?
I have a number of external USB HDDs (nearly all of them 2.5") in my fireproof safe. They are between 7 and 9 years old. (For a period of two years, I bought one almost every month until I had ...
1
vote
0
answers
164
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LED Lights Dimmer Electronics
I have a Wemo Smart WiFi Smart Dimmer with me that can control CFL, Incandescent and LED lights. (https://www.belkin.com/us/p/P-F7C059/).
I am curious to know how one device can handle all type of ...
1
vote
2
answers
152
views
Compensating for a magnet in a device with a magnetometer
I'm working on a device that relies on data from a magnetometer. Unfortunately, the device also needs to have a fairly powerful magnet on it. Given that the design is fairly flexible, and within ...
1
vote
0
answers
39
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I would like to run a smartphone using a primary battery instead of rechargeable for a project. What are the 4 contacts used for on the factory LiPo?
Most phone batteries will have a connector of some type with 4 contacts. Of course two of those I'd expect to be +- Voltage, but the other two compose some sort of mystery input to the phone (...
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votes
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answers
12
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How could we aproach development of touchscreen with morphing surface or morphing keyboard?
There is this technology of braille e-readers. It is relatively simple and reliable but it never had much commercial success probably because small customer base.
In past a company called Tactus tried ...
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votes
0
answers
12
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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 ...
- 11
0
votes
1
answer
44
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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?
- 1
0
votes
0
answers
69
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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 ...
- 1
0
votes
0
answers
57
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Are these 33 year old cables inside a CRT TV dangerous/dying?
Today I finally opened up and dedusted my 33 year old TV, fearing both a fire hazard with decades of dust bunnies piled up in there (or so I imagined) and all sorts of possible non-lethal issues ...
- 1
0
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0
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38
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What does the "RGB" button do on the front of my old TV?
JVC, AV-S280ENT.
This button exists on my 1989 TV. What exactly does it do? It seems like it would "enable RGB" for one SCART connector at a time, but what does that even mean? Why don't ...
- 1
0
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27
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Has there been any deliberate implementation of combinational logic soft error correction in any consumer-level product, like a CPU/microcontroller?
It is well known that many error detection, mitigation, and correction methods, such as parity or ECC, have been available in large memory banks, like for RAM, for decades now, and even in CPU caches ...
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0
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69
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How to add external sensor data to pictures, canon DSLR, hot shoe, electronics
Here's a challenge -
I am trying to add different sensors data (height,temperature,distance by laser) to pictures i take with a canon DSLR camera.
Would it be possible to connect different sensors ...
- 1
-1
votes
1
answer
190
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How are the electronics and chips inside the microwave protected from the microwave radiation/energy?
Let's say I put in an endoscope like camera with the lens at the inside edge of the box and the wire behind metal sheet. Here's a mockup:
Could use microwave reflecting or absorbing wrap to wrap the ...
-1
votes
1
answer
406
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What is the plastic cover thing for in microwave ovens?
With every microwave oven I have ever had, it has come with a plastic thing that you are (apparently) supposed to put over the food when microwaving it.
Some food products mention this and tell you ...
- 1