Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [data]

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

4
votes
1answer
101 views

What determines the frequency of network cable

You have Cat6, 23 AWG, rated for 250Mhz frequency. You then have Cat6a, 23 AWG, rated for 500Mhz. Both are unshielded. How is Cat6a able to transmit data at a higher frequency then its counter part? ...
2
votes
1answer
135 views

USB 3.0 power and usb 2.0 data

I am planning on providing a system with the option of powering via USB. Now the system will require greater than 100mA, so USB 3.0 interface will need to be used for powering the system. The data ...
1
vote
1answer
46 views

Implementing Best Linear Unbiased Estimator (BLUE) with real data

I have a set of data contained in an excel file that I wish to compute the Best Linear Unbiased Estimator. I understand the assumption of the signal observed must be x[n]=S[n]A+W[n], where S[n] is the ...
0
votes
1answer
25 views

HC05 Bluetooth Ping without losing connection

I am currently working with the Bluetooth module HC05 using a Teensy 3.2 board. I successfully established a connection between the laptop and the board using Bluetooth. I can send data from the board ...
0
votes
1answer
44 views

Using multiple ports to transfer data to single device

I have the datasheet of a camera which has various interfaces (computer buses) via which it can transfer data to other devices: I2C bus, CAN bus, RS-422 serial port. I know the camera can use ...
0
votes
1answer
56 views

Obtaining data from parallel port without the “phantom power” problem

After making failed circuits in the past, I learned that the cause is that the parallel port was producing "phantom power" (aka powering the circuit). This is because I plugged my circuit into the ...
0
votes
1answer
32 views

Can a bilateral switch block transmitter interference and can my board still produce great audio?

I made a circuit in which an ISD1760 chip outputs music via an LM386 IC and I like the quality and volume of sound, however, when I run an HM-TRP transmitter on the same circuit board and the ...
0
votes
1answer
159 views

Transmitting through IRDA as if its a native serial port. Possible?

I'm currently making a lazertag project that utilizes the standard UART data format for data I/O. Before I go make up another circuit board that connects a photo-transistor that senses a laser beam ...
0
votes
1answer
68 views

Recieve serial data on multiple pins ATTINY85

I am working on a project in which multiple ATTINY's need to send numerical data between each other. In most cases the ATTINY wil have to receive multiple streams of data on different pins. See the ...
0
votes
1answer
31 views

Reverse Polarity Protection for DAQ box

Firstly, I am a ME seeking advice from EE's. I have a Quadvolt voltage data acquisition box from Omega (P/N: OM-CP-QUADVOLT-30V) http://www.omega.com/pptst/OM-CP-QUADVOLT.html, that I intend on using ...
2
votes
0answers
73 views

Sending data from Simulink Matlab to development board F28379D

I'm fairly new to Simulink programming so bear with me. My project is to measure some parameters with the ADC of the board and send them over serial (SCI_A) to a Simulink file I'm running on my PC ...
1
vote
0answers
37 views

Sources of online broadband RF energy data stream?

I am interested in finding recordings of broadband FM radio emissions, ideally in the marine VHF frequencies (156.0 and 162.025), in order to understand carrier artifacts and distortions that could ...
1
vote
0answers
340 views

How to reduce SPI bit errors between a Bus Pirate and a BIOS chip?

I need to eliminate bit errors when reading a BIOS chip using a Bus Pirate v3.6. The BIOS chip is still soldered onto the motherboard. I'm using a Bus Pirate probe set to connect the Bus Pirate to a ...
1
vote
0answers
134 views

why my DAQ signal is a noisy signal?

background: My goal is to use an Arduino with two proximity probe (sensors) to achieve some output. It is worth mentioning that the output of the proximity probe has two components: DC output that ...
1
vote
0answers
84 views

Failure data of high-k dielectrics

How I can get access to failure data of high-k dielectrics caused by tunneling (trap generation)? I need a dataset for my research. (if someone could help me with the data, his/her name will be ...
0
votes
0answers
37 views

How to spec a system to replay acquired data

Hope all of this makes sense... I record torque applied to bolts as part of an evaluation process of new materials. I have a rotary encoder, it pulses at 100ppr. My torque wrench gearing means 1 turn ...
0
votes
0answers
116 views

Why is there no reponse from ModbusRTU slave using converter?

There are two devices: Eaton EM20/M (~like Northern Design Cube 400) Volison ADM-5850G Connected them like: Trying to get data from EM20/M which supports ...
0
votes
0answers
19 views

Determing proper wireless parameters for HMTRP radio module

I'm trying to properly setup an HM-TRP FSK radio module to send and receive data the best it can at 56kbps. I think I'm wrong with setting it up to use 600Khz "receive bandwidth" and 160Khz "modulate ...
0
votes
0answers
28 views

Bidirectional data bus divided into nibbles not returning correct data - 8051

Since I have 10 I/O lines connected between two microcontrollers (AT89C4051 + AT89S52), I am trying to get away with elegant data transfer. Instead of spending months redoing an entire circuit board, ...
0
votes
0answers
58 views

Send data from MCU to Embedded Linux CoM

I'm using an ATSAME70Q21 MCU to record 32 channels of analogue data (via SPI ADCs) and 32 channels of digital data (via GPIO). My embedded device has an iMX6-based CoM (Toradex Apalis), which runs ...
0
votes
0answers
30 views

Calculating cell resistance in dependence from cell temperature from CAN bus logs

I'm part of a formula student team. When we go testing we are logging the CAN bus data the car produces to further understand what the car is doing. We log all the battery cell temperatures/voltages ...
0
votes
0answers
230 views

3 external ADCs connected to STM32F7

Currently I am doing a project to develop a system with three external ADCs. I want to read the 3 ADCs at the same time. I bought the following components 3x ADS1256 / http://www.ti.com/lit/ds/...
0
votes
0answers
39 views

Faster 8051 not taking the slower 8051 pin status correctly

I'm trying to do a rather simple data transaction between two 8051 microcontrollers using a variant of the SPI protocol. The large one is a slave and the small one is a master. The documentation for ...
0
votes
0answers
243 views

Sending Data with HC05 Bluetooth module

I have set of data that i want to send them via h-05 Bluetooth module.But data has variable baud rate and i don't know the baud rates.How can i do it?Is there any Bluetooth module that don't care to ...