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Questions tagged [data]

Data are values of qualitative or quantitative variables, belonging to a set of items

0 votes
0 answers
22 views

What is the maximum data rate of AS-Interface?

After online search, I could not find exact information except some marketing words. It is said that it supports up to 100m and can be extended up to 600m but there is no information of maximum data ...
alfonso's user avatar
  • 457
0 votes
2 answers
185 views

Is it possible to use I2C fast mode+ with 30m cable?

I2C can reach up 1Mbps with fast mode+ and 3.4Mbps with High Speed mode. I just want to ask if it is possible to use 3.4Mbps mode with longer cable and what is the max. possible cable length.
alfonso's user avatar
  • 457
0 votes
1 answer
208 views

Is there a database containing typical transistor data and characteristics? [closed]

I guess the title says all, but basically I'm looking for a searchable database on typical transistors' data. Such data would ideally be arranged like: ...
Carlos Gouveia's user avatar
0 votes
1 answer
164 views

Hamming code question

Suppose we have m data bits and n parity bits. In order for the Hamming code to function: $$m+n<2^n-1$$ If we have 3 parity bits we can have up to 4 data bits. But lets say we don't have 4 data ...
Jun Seo-He's user avatar
-1 votes
1 answer
67 views

Instrumentation Tools for Collecting Data in DRAM accesses

We can use instrumentation tools, such as Pin tool, to collect memory accesses of an application running on a system. The type (read or write) and memory address can be collected. How about data? Can ...
Arghavan Mohammadhassani's user avatar
0 votes
2 answers
5k views

Send float with Serial Port

I'm trying to send float temperature data from stm32f103c8t6 to qt application. When I try tosee value with Keil I can. But When I try to transmit to App I got some error about convering uint8_t to ...
ysncck's user avatar
  • 3
0 votes
0 answers
251 views

Transcieving 125khz rf signal

Does anybody know if it is possible to connect a coaxial cable to the tx rx pins on a wireless module ? I am trying to send data via coaxial RG58 cable. Or would a twisted pair be more suitable? I ...
Simon Andrew Phillips's user avatar
1 vote
1 answer
199 views

Sliding window protocol

In the sliding window protocol when the receiver sends RRn to the sender the receiver's window is shifted to the right now starting at the n position correct? Suppose this is the window of the ...
Jun Seo-He's user avatar
0 votes
1 answer
224 views

Timing Arduino response with ADXL345 accelerometer's data rate

I'm currently working on a system that calculates the velocity by integrating the values of the acceleration. I'm using the ADXL345 accelerometer with a ESP32, and so far, everything's going good, i'm ...
B.Adlane's user avatar
0 votes
1 answer
2k views

How to get RMS voltage and frequency from datapoints read from an ADC?

I have an ADC that samples 4000 times per second or 0.25 ms interval per sample. I would like to extract the RMS and frequency value of the signal being read. How do oscilloscopes and multimeters do ...
DrakeJest's user avatar
  • 917
1 vote
1 answer
168 views

How to reconstruct phase data from magnitude only data in a frequency domain function?

I'm trying to do a reverse-engineering a software called LEAP from the now disappeared LinearX company. This software can perform an operation called "Minimum Phase Transform". This takes ...
Leandro Alsina's user avatar
-1 votes
1 answer
168 views

UTD 2052 oscilloscope: read data from .sav file

I just recently got an oscilloscope and was happy to try it out. Now I have a problem with reading the data. The model I am using is the UTD2052 50 Mhz scope. I can save the data to a USB drive in the ...
SebNik's user avatar
  • 109
13 votes
9 answers
5k views

Best way to store very small amount of data?

I'm building a side project at the moment and I want to be able to store and retrieve a very small amount of data (10 kB tops). If the power is disconnected I want to be able to retain the data. I ...
Michael Rutkowski's user avatar
1 vote
3 answers
164 views

Bandwidth of signal

What exactly do we mean the signal bandwidth is the range of frequencies the signal is made of?Is this referring to the Fourier transform of the signal in the frequency domain?
Cartoon Ryan's user avatar
2 votes
1 answer
676 views

How decode serial data stream

I am trying to decode a data stream. This signal comes out of an STC 8H1K16 micro-controller. It is from the pin labeled TxD is the picture. When I trigger the signal I am trying to understand I get ...
Yepher's user avatar
  • 121

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