Questions tagged [computer-engineering]
The computer-engineering tag has no usage guidance.
88 questions
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How difficult would it be to earn a Computer Engineering MSc as someone with a Physics MSc?
I have a Physics MSc (and physics BSc with a math minor), and I'm considering if I should pursue a second MSc in computer engineering. This would prepare me all the better for a career working in ...
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Build a Tx Rx USB LED indicator
I want to make a indicator LED light which would blink when there is data flow from the computer to the storage drive.
I have checked using a multimeter that whenever data flows there is a voltage of ...
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Why is my connection over ASDL better with a vpn?
I notice that the quality of my connection over ASDL seems better when I'm connected to a VPN. Is there any specific reason to this ?
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How did mechanical punched tape readers work?
How can a purely mechanical mechanism distinguish between holes and non-holes in the tape, without deforming/ripping the paper, and then effect a larger difference depending on the sensed bit with ...
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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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Power and energy usage monitoring for Vechical Control Unit (VCU)
I'm working on a project for an EV (electric vehicle) and I'm working on the VCU. I think the task that was given to me is to get all the data from a transformer or a DAQ (Data acquisition system) and ...
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Communication systems normal AM modulation
AM transmitter develops a power output of (110 W) across a (70 52) resistive load when a sinusoidal test tone with a peak amplitude of (4 V) is applied to the input of the modulator it is found that ...
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Is it true that the only moving parts of a CPU are electrons?
Somebody I know claims that the only moving parts of a CPU are electrons.
Is that true?
I've tried to find an answer myself but I only get resources that describe at length how CPUs work in general ...
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Why Ball-Grid Arrays are More Heat Resistant
I read that for Ball-Grid Arrays, the BGA's act like a thermal dissipator because there are more channels, so it is more heat resistant as opposed to Thin-Quad Flat Pack which uses pins.
Is this ...
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What are the applications of spontaneous synchronization to engineering?
I came across the amazing phenomena of spontaneous synchronization and how it can be modelled by the Kuramoto Model. I am curious as to spontaneous synchronization has its relevance in engineering.
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What is the difference between activity and event in "simulation"?
I am studying about components of a system. The subject is "system simulation/simulation modeling/discrete event system simulation". This is related to electrical, electronics, computer ...
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Second small surface one integrated CPU
I was changing the thermal paste of my CPU and I noticed, there where two metallic surfaces but only one was covered with thermal paste. The heatsink-plate is big enough to cover both surfaces, though....
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Can I weld a copper pipe into a CPU heat sink for better cooling?
I have an old laptop which I revived with the addition of a SSD. The problem now with this laptop is that it gets very hot causing thermal shutdowns in the middle of work. I thought of a lot of ...
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Why do we need more powerful computers nowadays? [closed]
In 1969, NASA was able to conduct its moon mission using a computer with 4KB of RAM.
So, why do we need more powerful computers with more RAMs nowadays?
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Create a virtual board as often seen on YouTube
I have seen a lot of YouTube videos that use a virtual board for teaching. For example, in the video link below, how can I do the same thing? What are the steps in details in order to be able to ...
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What is the difference b/w <<endl; & ;? [closed]
Language = C++
There are 2 types of statements I noticed for taking in output.
1)
...
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How to visualize isometric parallel projection?
I read the definition of Isometric Projection from this pdf that Projection plane intersects each
coordinate axis in which the object is defined (principal axes)
at the same distant from the origin.
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Similarities Between Mechanical Engineering and Computer Engineering [closed]
Im a high school student and I am writing an essay regarding my passion in various subjects of science, i chose engineering. I love learning about computers and coding etc and I'm also a great fan of ...
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Inside/outside test of any point on 2D plane?
Suppose I have one plane $Ax+By+Cz+D=0.$ I want to test $(x, y, z)$ is inside of this plane or outside.
My attempt:1 Then draw normal N on that plane which point away from the observer Image1.
If $Ax+...
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How to visualize angle of projection in Oblique Parallel Projection?
We know that in Oblique Parallel Projection Point $(x,y,z)$ is projected to position $(x_p,y_p)$ on the view plane.Projector (oblique) from $(x,y,z)$ to $(x_p,y_p)$ makes an angle $\alpha$
with the ...
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Are there tools to design and test experimental hardware and firmware through emulation?
I'm a programmer and I'm interested in testing an idea I have for a SATA intercept hardware device. I'd like to design a custom piece of hardware involving SATA connections, splitting of signals etc. ...
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Why not put servers in a refrigerator?
Recently I was thinking about home improvement, and one idea that is haunting me is that I could use some kind of refrigerator for gaming consoles and laptops.
The obvious benefit is that it maintains ...
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How to measure time taken to run SCPI commands? [closed]
We all know that every program takes time to run. Normally in Python, the time built-in Python library would be sufficient to measure time-taken to run code. How may I determine how long a SCPI (...
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Microscope Camera Windows NT
I'm not sure this is the right stack exchange community to be asking this, but I have a little issue. There's a great microscope-camera from Carl Zeiss (AxioCam HRc) which I got for free and would ...
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how can I control 2 stepper motors with RS-232?
Hello everyone this is my first post to the forum. I want to control 2 stepper motors using RS-232 as a way of directly communicating with step drivers from my desktop. I am new to communication ...
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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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2 complement code and Carry, Zero, Overflow and Negative Flags
Assuming I have a negative 8-bit number represented in 2 complement code, let's say -12, what number can I add to it to set all flags mentioned in the title (Zero, Negative, Overflow and Carry), or at ...
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Arduino Programming IR Sensors and Actuators
Create the circuit below (Arduino)
You are supposed to use the following code (must download correct library if IDE is too old):
...
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Placing an accelerometer on arbitrary position and define this as the new coordinate system
I'm working on a small home project and I'm looking to use an accelerometer for tilt sensing. I would like to be able to place it anywhere on the object. If I place it in a way that the coordinate ...
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Is there a solution for USB Multiplexing, i.e. passing data between different devices by sharing/splitting a USB connection?
Forgive me if my title is vague, I will attempt to explain my issue. I don't know if such a solution exists and I have tried searching without any luck.
I would like to utilize a passive USB protocol ...
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Exclusive Or Circuit in SimulIDE
I have been testing basic circuits in SimulIDE. I created a basic exclusive or circuit that works most of the time.
There are two inputs.
When both inputs are off the bottom LED does not light up, ...
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If you have a small fan that blows hot air, and a larger fan that blows cold air against it, what happens to the hot air?
For context, I have a laptop that has a fan that sucks in cold air from the top on the left side (for cooling the cpu), and a fan that blows hot air out the bottom on the right side (for cooling the ...
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Macro to atomic scale software
Is there a software that exists that takes a macro object for example a MacBook casing and its composition (Aluminum) and allow you to zoom between the macro scale (a fully rendered MacBook) and the ...
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What sensors/methods can be used from the roadside to determine if a truck is loaded or empty - without weighing it?
What sensor, using what physical principle, can penetrate a closed rectangular object like the trailer of a truck and tell if the space is empty or loaded?
Why is this question relevant? One of the ...
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Are pixels not squares and more like rectangles?
When I open Paint, I change the size to 500x500. It appears more as a rectangle than a square. Has anyone else had this happen? Is there an explanation? Not sure if this is a thing that differs on ...
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How is the most basic display driven?
I am curious how taking the most basic display such as this OLED one that works with the ardunio is driven:
i.e. We are using just a clock and data line to drive a 128x64 pixel display. The pixels ...
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Screw type associated with COM port/DB-9
DB9 female port often have female slots for two screws to secure the male plug onto it. What is the type of this screw?
Word 'screw' is mentioned 7 times in Wikipedia DB-9 article but not the type.
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How can I calculate overcurrent from over voltage for the AP9101C IC
I designed a battery charging, protection, and boost circuit for a project I am working on. However, I made a complete noob mistake and forgot to find the overcurrent value for the battery protection ...
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Why are the outter tracks of a magnetic disks more stable?
In our digital computers class, the professor mentioned that the outter tracks of a magnetic disk is more reliable because the outter bit are "bigger". Isn't the packing density of a magnetic disk ...
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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 ...
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How to get similart Geomagic two stl file deviation in free Cloudcompare software?
I need to compare two STL (Dental model Scanned) files and find the deviation between their points, SO this two STL files have different boundary, so i already used the GEOMAGIC Control software for ...
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Memory management in for multiple cores of a processor
I come across a question-'How big an address space should I allocate for each ARM A53 core in a mobile processor?' What is the answer for this?
Does it refer to memory management in SoC?
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How to detect what wattage that my Windows laptop is receiving via USB-PD?
I don't know too much about USB-PD. I understood that USB-PD requires negotiation between the charger and the receiver. So probably my Windows laptop (Dell XPS 9570) should be able to know the current ...
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How exactly do noise canceling headphones work?
I purchased a pair of noise canceling headphones today and I was just wondering how exactly they are able to cancel out background noise?
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motion gesture and axis definition
I read something about defining hand gesture, which include mid-air hand gesture (e.g a peace sign with the two fingers moving one after another), touch-based gesture (e.g. on touch screen), and ...
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How can I transmit signals from pre-amplifiers to a laptop nearby using bluetooth?
I am trying to collect signals from preamplifiers (Aquarian Audio preamps, PA-4) and have them sent to a laptop nearby wirelessly, I have not found a dedicated device for this process, and the ...
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How to find the smallest change in voltage
You are comparing different A/D converters that will have 3.2 V and -3.2 V as their positive and negative reference voltages, respectively. Out of the following, converter _ can resolve the smallest ...
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What is the mechanism of transition in applications of finite state automata?
Just began studying automata. I've already seen several examples of the applications of finite automata: pattern matching, automatic doors, etc. And so far, I understand the logical connection between ...
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Multiple sensor data to WiFi visualized on React Native app: Guidance [closed]
Objective: I want to connect multiple sensors to an item of equipment and visualize the data real-time on an iPad.
Mock of Desired Output:
Question: I need advice on the best methods to use to ...
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How to introduce the CONSTITUTIVE equation into structure mechanics [closed]
Suppose I have stress and strain relationship and it can be simplified to the equation $\sigma=Function(\epsilon)$. This is the CONSTITUTIVE equation of the material I want to do research.
Assume ...
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