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0answers
15 views

Getting Clock/Time information from PC to an STM32F4

Assume I connect a microcontroller board (like an STM32F4) to a PC via USB. Is there anything in the USB communication protocol that contains host clock data? In other words, can I sync the ...
0
votes
2answers
52 views

Can HTTP servers on a LAN be hacked into from the web?

I have set up a web server on a ESP8266 microcontroller inside my local area network. HTTP GET requests sent to this unit can switch on and off a mains outlet, and I'm planning on deploying a couple ...
1
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0answers
39 views

Emulating laptop internal keyboard interface

[topic background] I have several older laptops (MFG 2000-2003) that have a missing keyboard. I`d like to test them if they are in working condition. All of them are in CMOS mismatch state (need to ...
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0answers
13 views

ST7FSCR micro-controller with JTAG

I want to use ST7FSCR micro-controller as a smart card reader. I would like to ask if I can program it using JTAG directly or I have to get the STX-RLINK? ST7FSCR
8
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3answers
2k views

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 ...
0
votes
1answer
171 views

Is an Arduino microcontroller capable of detecting its own pins that are connected with each other?

I have a matrix and I want to connect it directly to Arduino without using IC. I want that whenever I connect two pins in Arduino microcontroller, example: pin1 and pin2, the microcontroller will ...
0
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0answers
80 views

Network adapter slow - Windows 7

I'm having problems with my internet speed when connected to a PLC. I'm connected to the PLC with an ethernet cable and to the internet via WiFi. The LAN adapter has a static IP set but I don't get ...
0
votes
1answer
99 views

Differences Between Microcontroller and Device Controller

Is a device controller also a microcontroller with more functions? I know device controller has input and output ports for external device communication but how about communication between device ...
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0answers
32 views

Direct access to video card using a microcontroller or DOS-based OS [closed]

I am trying to build a handheld 3D positioning system that can track in real-time (1000 Hz) a handheld 3D position in reference to a virtual 3D object. To be more specific: I have a robotic arm ...
0
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0answers
139 views

Long range wireless keyboard / numpad (remote control a computer from a 20-30 meter distance)

In order to illustrate my challenge, I'll explain what I'm trying to achieve. I'm training a young talent in tennis, and she's a real darling. I'm trying my develope the best environment for her to ...
0
votes
0answers
327 views

Unable to send/receive from microcontroller virtual serial port

I have a MSP430 Launchpad (microcontroller) which forms a virtual serial port on my Windows 8.1 rig. Somehow I cannot receive/send any data through this serial port on this rig. I have tried 2 other ...
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0answers
27 views

External flash lock [closed]

As flash is used to store executable code. Example like 1) microcontroller code is burned into internal flash. 2) microcontroller code is burned into external flash. As microcontrollers have ...
1
vote
1answer
184 views

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; ...
0
votes
1answer
2k views

Getting garbage input and output over serial connection with microcontroller

I am trying to connect to a MicroZed board via USB serial with teraterm on Windows 7, and I am running into some issues. I was able to connect to this exact board using minicom on Linux, but I cannot ...
0
votes
2answers
105 views

Microcontroller web server

suppose A & B wants to communicate through internet, we brought internet from ISP, and their Ip is not visible from remote computer, but then how application like team viewer works on our computer....
1
vote
2answers
2k views

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 ...
0
votes
1answer
710 views

Linux Graphic Library for Microcontrollers

I have been working with a lpc1788 (Cortex M3) evaluation board. For some application developement I used a GUI library/tool by Segger, called emWin. Though I have completed the applicatiopn ...
0
votes
2answers
147 views

Serial Communication vs Device Drivers

My understanding is that serial communication is for direct CPU-to-CPU (or microcontroller-to-microcontroller) communication along a serial bus. My understanding is that a device driver is for device-...
7
votes
4answers
7k views

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 ...
3
votes
1answer
1k views

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 ...