Questions tagged [data]
Data are values of qualitative or quantitative variables, belonging to a set of items
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Feeding data stream to FPGA using PCIe [closed]
I am trying to use PCIe with ultrascale+ device and feed the fpga with data stream and send it to another device using PCIe over SFP+ optical cable. However, I don't know how to feed data to the fpga (...
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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 ...
CommunityBot
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How to send large quantities of data via HID
I'm making a 100% customisable mouse, that can be programmed from an app.
You program it in a node based language similar to the Unreal Engine 5 interface
Your code is encoded to binary, and sent to ...
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Connecting Two 24VDC Power Supplies
I have a system that has multiple different gas detection sensors and we are datalogging our readings onto a PLC. To power our sensors we are using a 10 A power supply and have everything grounded ...
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Outputting correct data on shift register with clocks tied from microcontroller
I want to be able to output correct data from the microcontroller to the 74HC595 shift register without using the clock lines separately. This schematic matches my ideas for 16 bits of data:
The ...
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Capacitor DAC - Charge Redistribution
I was reading about capacitor based DACs for a SAR ADC in an Analog Devices pdf(https://www.analog.com/media/en/training-seminars/tutorials/MT-021.pdf) and I saw this
About the highlighted part, I ...
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High speed data transfer from STM32 to the PC
What is the best way to transfer high-speed data (12.288 Mbit/s) from the STM32H723 microcontroller to a PC? I'm controlling a four-channel audio codec (AK4619vn) and need to sample the FFT of the ...
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Oscilloscope slow sampling with GPIB
I have a 12 GHz oscilloscope with a 40 GSa/s sampling rate from Keysight, and I have a National Instruments GPIB-USB-HS with it. Sampling for 30 seconds with no averaging of data, it only gives 20 ...
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Are there multiple bits on a data cable at the same time?
Let's say there is a copper under sea cable from New York to Lisbon with a length of 5350km.
Then a signal needs approx. t = 5350km/c ≈ 19ms to arrive.
Now let's imagine sending a file from New York ...
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I need to capture and store short bursts of synchronous binary bit-stream, arriving at 1.5meg bits/sec [closed]
The binary bit stream arrives on one pin on a circuit board and a synchronous clock arrives on another pin. I don't need to store the clock - it's just there in case I need to use it during the ...
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What is the best LED driver to use for this setup - Help with WS2815 data amp over long lines
Currently have 5 m WS2815 strips installed running from 18 AWG wiring connected to 12 VDC Meanwell power supplies and our controllers (SP108,SP102,SP608), power injection on all lines. When we tested ...
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Altium Designer Libary Ref Field Missing
I'm trying to create a MySQL database for my Altium company library. I've created a MySQL database with utf16 encoding that contains tables for each category of components. Here is an example table:
<...
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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 ...
CommunityBot
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Data collection board
Im currently working with the DC718C data collection board, and I'm using PScope to collect the data and MATLAB for further processing.
I want to know if it's possible to collect more than 131072 ...
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Data transmission protocol with two lines and no explicit clock
Are there communication protocols that transmit bits using two lines A and B as follows:
When line A is toggled, a 0 is sent.
When line B is toggled, a 1 is sent.
I currently use this to push out ...
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