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Questions tagged [microcontroller]

34 questions
28
votes
4 answers

Do desktop computer motherboards have GPIO? If they do, how to read from or write to them

I've seen some pins like microcontroller's GPIO pins on the desktop computer motherboards for a couple of times, I wanted to know, first, are they really GPIOs? if yes, is it possible to read from or write to them?
Mohsen Salahshoor
  • 383
9
votes
5 answers

Wake on LAN Alternatives

I realize there are one or two related posts, but none that quite get at what I'm asking. I'm using an old computer as a NAS using FreeNAS, and after some tweaking everything is dandy. The NAS is just being used by myself and my roommate, so I'd…
Bface
  • 125
  • 1
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5
votes
2 answers

Linux: connecting to a USB virtual com port without root access?

I am trying to connect a microcontroller to a host computer using a USB virtual com port. However, I do not have root privileges on the host computer. The controller shows up as /dev/ttyACM0. When I try to connect to it using the pyserial module, an…
Furo
  • 51
4
votes
3 answers

Visual Studio and Structures

I’m trying to port an application written for a micro to Visual Studio so I can more easily run the debugger and scan through the code, rather than debug on the chip which is a bit of a pain when you want to learn how the application was written.…
kvresto
4
votes
1 answer

Allowing a microcontroller device to connect to a Citrix XenDesktop instance

What we're trying to achieve We wish to connect a microcontroller, Adafruit Circuit Playground Express (CPX), to the USB ports of the thin client and stream data to the virtual machine environment to be read by an application and sent to a server…
Baptiste Higgs
  • 43
3
votes
1 answer

single chip computer, microcontroller and embedded system

I was wondering what relation and differences are between single chip computer, microcontroller and embedded system? Are single chip computer and microcontroller the same concept? Is microcontroller implemented as a single chip computer and for the…
Tim
  • 17,743
3
votes
3 answers

No filesystem is same as no Operating System?

Some legacy computers/controllers don't have the filesystem with them is that because these devices don't have an Operating System? If files cannot be saved to these devices, how can the factory control logic/program and other data get saved to the…
FunctionBlock
  • 101
2
votes
2 answers

Reading raw data from a microSD card with an Arduino

My microSD card is not working on windows neither on my mobile phone. The card is not recognizable on these devices. My plan is to try to access the raw data on the memory chip using my Arduino. How can I do that? I really need to recover the data…
Marcelo
2
votes
3 answers

What is a "thread" in computing physically?

I was watching this video about multithreading from Computerphile and at 10:03 it shows this: where T1 and T2 are threads, and under them are machine instructions. So, is a thread nothing but a sequence of machine instructions?
user1783484
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1
vote
1 answer

i/o Bus Standards & Device Controllers

I'm really confused about bus standards like ide,ata,sata,pci etc. I have just read this article :When a disk read or disk write occurs, where does the data go? So if we talk about hard disk drive; hdd logic board contains a…
spartacus
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1
vote
1 answer

Is it possible to combine multiple WiFi connections for one single fast connection on a guest network?

In an entirely hypothetical scenario where I was living in a building where there is no ethernet and only Wi-Fi connections capped at 50Mbps, would it be possible for me to have multiple devices that I can link together to then have a much faster…
Crazy Redd
  • 111
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1
vote
1 answer

Is it possible to read and write to the uC registers via UART

I wonder if the microcontroller register can be accessed(R/W) via UART , given that the controller has a UART interface. I've been searching for a while but didn't find any examples. Looks like it's all done via I2C or SPI
WYK
  • 11
1
vote
1 answer

How to format a USB which uses attiny85 based microcontroller and has been programmed

I am making experiences on the Digispark USB with attiny85 micro-controller. So I programmed it so it can launch very basic keyboard strokes when plugged, i.e, when it is plugged, it open it tries to write "Hello World" anywhere in the opened window…
ailauli69
  • 111
1
vote
0 answers

How to send data from an MCU over a proxy network

My ultimate goal is to be able to send data from my various microcontrollers over a network that has a proxy firewall. I tried changing the firmware of the different MCUs to support proxy but that came out to be a big daunting task with no guarantee…
peeyush tekriwal
  • 11
1
vote
1 answer

Problems using USB-ASP

I am trying to upload some code to my MCU ATMega 32a using an USB-ASP programmer and extreme burner software. I am just using some dummy code, but everytime I try to burn it, the extreme burner shows the following error Can anyone help me? I…
Fahd Ashraf
  • 11
1
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