Questions tagged [data]
Data are values of qualitative or quantitative variables, belonging to a set of items
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How should I test my USB cables?
Some time ago, I purchased the FNB58 USB multimeter from FNIRSI with the intention of testing some of my USB cables. Ideally, I wanted to throw away those that are redundant and/or those that pose a ...
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Power Cycling USB
BACKGROUND
I am connecting a USB device to a PCB with a microcontroller. The USB must be power cycled (plugged out and in) in order for the USB to be recognised by the software. The USB connector will ...
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What do the letters mean on this LiPo (or Li Ion) battery?
I’m trying to find a replacement battery for my Bluetooth earphone as they drain out very fast. It is a 3.7 V 55 mAh.
Looking through the options I see batteries with better capacity but the letters ...
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PS/2 Mouse Movement Frame - How do I detect, or correct errors on reception from device?
This question is from a project of mine I have been working on for about 3 months now, and I reached a point where I was going to go the route of using an interrupt based handler for my packet ...
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I want to get the data from my fraba encoder directly to my pc without using PLC
The Fraba Encoder which I have is OCD-EEA1B-1213-C10S-PRM Ethernet/IP encoder in which we to get the data from the encoder to show to the PC where we will not use PLC and the communication will be TCP/...
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How to measure time between incoming packages on an FPGA?
For measuring the speed of incoming data packages on an FPGA, would you use a clock that is connected to a counter and each time a package is detected, it would store the time?
And if there would be a ...
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How to connect LEDs to D+ and D- of USB 3.0 cable [closed]
I need to connect LEDs to USB 3.0 cable that connect to PC and to embedded device.
I want visual control to see data transfer by this USB cable and want to connect LEDs for this purpose, like Ethernet ...
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Is it possible to combat SR Latch oscillation or there are better alternatives?
I need to store a bit value and then ignore any attempts to store/change it again until it's reset by another signal. So I figured the SR Latch is suited for the task. However in my project there is a ...
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Transmitting binary data from scratch via radio (wireless)
What is the basic concept of transmit binary data wirelessly or from radio?
Here are so far my knowledge about it.
Any digital data (image, sound, video) is represented by binary digit (bit).
Binary ...
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Verilog signed numbers representation
I am confused as to when the '-' sign is used and when 's' is used. This post is somewhat helping, although not entirely.
Please correct if I am wrong:
For example, to interpret 8'sd244, we write 244 ...
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How do drives deal with user overwriting data?
Let's say I create a text file and write "Hello world!" to it. I stick with the default 4096 byte allocation size (assuming NTFS file system). I wonder what happens when I change (overwrite) ...
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Can polarity protection circuit be useful for also data transmission?
For example, CANBUS has two transmission lines CAN_HIGH and CAN_LOW. Polarity matters. Would the performance be affected if a polarity protection circuit with couple of diodes would be implemented?
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Photodiode speed limitation
I have a system which demands optical data transmission since rotating parts are present. A mixed mechanical-electrical engineering project has led us to use photodiodes to receive data from one ...
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Combine uncertainty of multiple measurement instruments
I'm currently working on a project where I'm trying to figure out if there exists a significant difference between measurement instruments for RF power measurements. I will measure multiple Bluetooth ...
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Do there exist Touchstone/S2P/SnP files for capacitors and inductors in the public domain?
I'm writing a Touchstone Perl module for reading and transforming Touchstone files to different parameter (S, Y, Z, etc) and format (DB, MA, RI) types. (Touchstone is also known as .s2p files or s-...
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