Questions tagged [processing]
The processing tag has no usage guidance.
49
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Help getting a BLDC motor with ESC working with my PS4 Controller
I'm a hobbyist and have been working on building a small ROV. I want to be able to control several DC motors independently so I went down to my local hobby store and they helped me chose a DC motor, ...
0
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2
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86
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Debugging Arduino Sonar Project
I am making a simple Arduino based radar project. The complete details of the project can be found on YouTube. The circuit consists of an HC SR04 sensor ,a servo motor, an arduino UNO R3 connected as ...
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3
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STM32 ADC sampling with timer and DMA and send data to computer with USB
I want to sample a 4kHz signal that is produced by a signal generator.
I read 2000 samples in a row and then I send it to computer via virtual serial that is provided by USB of STM32F103C8T6. I set ...
0
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1
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100
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Problem with ADC in AVR XMEGA
I am using an Xmega32A4U
I convert an audio with ADC and after processing it sends out with DAC.
I checked Power supply and try all of parameter to use ADC but it is a big problem and the audio out ...
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2
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113
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Memory choices for lack of arduino speed [closed]
I'm designing a system which reads values from a microphone and feeds it to the Arduino to calculate a few sound parameters. The measuring happens during a couple of milliseconds. The problem is that ...
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1
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What name is given to conversion between data of different widths?
Assuming e.g that one part of design transmits 8 bit data word at a time but receiver needs a 16 bit word, we would need to concatenate two 8 bit words together to create a 16 bit word. If both ...
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34
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Consumption cost from wireless sensor
I want to get an approximate energy model for wireless sensors when a given task is executed. I know that we can compute the energy consumption from a PC based on the time performing a task. For ...
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2
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282
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How would multiple ADC channels be processed?
Looking at this manual,
http://www.ni.com/pdf/manuals/371235h.pdf
I see the following picture related to a DAQ board's ADC,
Assuming all 4 ADC channels are used,
how would multiple ADC channels be ...
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1
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70
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Error with Serial Communication between Processing and Arduino
I have a sensor which can give information about X and Y position movement, and I want to create a simple interface in which a circle on the screen will move in the same direction as I move the sensor....
0
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2
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180
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Can anyone identify this type of communication protocol?
First off I'd like to say that once I figure out what kind of communication I am dealing with here, I'd like to change the title of this question to something more appropriate (or if someone else ...
0
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1
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502
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Generating FFT on data recived from 20Amp(ACS712) current sensor using arduino & processing IDE
Currently, for generating FFT on the data received from ACS712,i used the following method:
first the data is sent to the Processing IDE from the sensor via arduino. the processing code converts the ...
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328
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How do hybrid electronic systems work?
In hybrid systems, we can have DSPs, FPGAs, General purpose processors, etc on the same system operating together on the same application. How are the tasks distributed among them, and which unit ...
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Estimating processing power required
I am currently in a computer engineering class and I have been asked to design a product that can guide blind people. In my fictitious product I am going to implement a module to detect distances (a ...
1
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1
answer
145
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How does a micro-controller process instruction from its code segment in the memory? [duplicate]
I have been working with an Atmega 328 PU for a while and I understand how the .hex file is transferred into the chips code segment in memory . I have looked at the architecture of the Atmega 328 and ...
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2
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64bit vs 32bit processor execution equivalence [closed]
I'm not sure if I am in the good site but here's my question :
I was questionning myself, what would be comparable(execution speed) between a 32bit and 64bit processor. Like what would be the ...
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1
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645
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Writing data over Serial comm //Arduino & MPU6050 gyro+accelerometer
I'm new to serial communication and I am just scratching the surface, therefore please bare with me.
What I need to accomplish is the transfer of the gyroscope data I gather on my Arduino to ...
2
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2
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122
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Processor Budgeting
How do I figure out if a microcontroller has enough processing speed to handle particularly "intensive" tasks?
Specifically, I am a university student looking to design a robot that uses OpenCV and a ...
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1
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352
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I have a set of USB-classed barcode scanner and microcontroller board, how do I process the data?
Questions:
Is the signal already readable for the microcontroller if I have both the scanner and the board match headed with USB?
I know that the scanner was programmed to output whatever the bar ...
0
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1
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415
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BlueSmirf and Adruino - TX seems not to be working
I'm testing transmission of data via bluetooth. The data are recognized by my Arduino module. But I don't get any signal come out from my bluetooth module. I have no idea how to test that. (The TX and ...
2
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1
answer
2k
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Barker code autocorrelation
How do you auto correlate the following Barker code? I tried to use the formula on Wikipedia's page but it did not make sense to me.
+1, +1, -1, +1
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1
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3k
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How to find Amplitude of a Signal in Simulink
I have a com port object sampling at 0.01 seconds a stream of data. The 'data' is a signal from an accelerometer with a sinusoidal shape.
I need to do math operations on the amplitude of this signal. ...
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1
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Importing libraries in Processing IDE [closed]
I am sorry guys if I didnt make myself clear. So here is an another attempt.
I am trying to view the output of MPU6050 (gyrometer + acclerometer) in Processing IDE. I added the FreeIMU library in ...
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150
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What to look for in a processor for a DSP project
I am working on a Digital Signal Processing application and I am a little lost in all the information included with giant processors that are labeled as Digital Signal Processors. I started wondering,...
3
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2
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Best way to map ints to float in Arduino?
In Arduino how do I map an Integer value Float value or vice versa?
For example this simple script doesn't print out 1600 but still returns a float value of 0.00?
...
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2
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How do proceed with larger electronic projects?
Recently I have read two books about programming in general:
First one being Code Complete and the other being The Pragmatic Programmer that describe how one should think when dealing with large ...
3
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153
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Precision Tracking filter required
I don't mind if it's a band-pass or low pass filter (although I think low-pass will give a better result). Input operating frequency range is 100Hz to 1kHz. Input amplitude will be about 1Vp-p and ...
2
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1
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How exactly do all FPGAs work together on this board to carry out high speed calculations
The board I am referring to is called "Merrick 3" from "Enterpoint (ltd)". The web page can be found here: http://enterpoint.co.uk/products/asic-development-high-performance-computing/merrick-3/
I ...
8
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1
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Arduino serial communication protocol design
I make a drum sequencer interface for electronic music.
It uses an arduino mega as it's microprocessor, and currently it interfaces to a Processing program that I wrote for serial communication. From ...
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2
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1k
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What amplifier circuit to use for a wheatstone bridge force transducer [closed]
I would like to amplify the signal from a force transducer which can measure load from 0-1500g. The object i am using is less than 1 gram. I would need an operational amplifier. I would like to know ...
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3
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Why not SRAM for FPGA in image processing?
I'm beginning with VHDL coding and I've done some basic image processing on my development board.
I've noticed that most FPGA development boards often use DRAM (SDRAM, DDRAM) as RAM.
For example, I'm ...
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Are processors designed using different technologies?
Can/Are processors be designed using different technologies ?
What I mean here is: in, for example, Intel's 28nm processors, are all the gates in that processor built in 28nm technology or are only ...
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1
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154
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Determing the Phase Angle of the following code: [closed]
I'm trying to determine the phase of xx after the code is run. You shouldn't need to actually run it to determine it however, as it is unclear on the graph. The two phases present appear to be (-3*j) ...
3
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Why does increasing sampling density in the frequency domain separate overlapping artifacts in the spatial domain?
I have employed the fourier(projection) slice theorem in matlab. I have a 3D image, P(x,y,z) defines their pixel intensities at a given location int he image volume, it is discrete and uniform. I take ...
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4
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Signal Processing with Op Amps
I'm tasked to reproduce the following signal
using only Op Amps (and resistors).
I'm pretty sure I must add two signals, the square and triangular waveforms, it is just pretty hard to figure out ...
2
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1
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Processing RXTX issue [closed]
I am new to Processing and attempting to write code to communicate with my Arduino - on a linux platform.
When I run the following code:
println(Serial.list());
...
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1
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phidgets bridge with processing
I'm using Phidgets Bridge with 3 loads cells, and I'm trying to get the data into processing. For some reason, I keep getting the error: "PhidgetException 5 (Phidget not physically attached.)" Is ...
5
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2
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How are high-speed serial signals processed?
High-speed serial links such as Gb ethernet, PCIe, Firewire, etc support bit rates that suggest signalling frequencies far in excess of typical clocking speed of typical chips. I am wondering how ...
3
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2
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how to solve the solder joints not shiny?
I have met a problem, need your help.
I had used Sn62Pb32Ag2 (liquid temperature is 179℃)solder paste to solder components for many years,solder joints always are shiny.
but recently,when I used it to ...
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1
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How can I send multiple values from Processing to Arduino via Serial library?
I've done a basic test sending a single int value to Arduino from Processing via the Processing Serial library and all's fine. I would like to send multiple int ...
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1
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320
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Understanding MIPS
I have a class where I'm learning MIPS and I have the following MIPS code:
...
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1
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2k
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Arduino Serial communication troubles
I'm having problems getting my communication code to work. I enter the data 1, 0, 255, 50 and then it errors (shouldn't it wait until 8 bits have been sent?) it exits with my debug message of ...
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3
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Understanding CMOS performance and complexity for ASIC : 350nm to 45nm process
I am trying to build an ASIC chip with the help of the MOSIS project. (They make it cheaper by combining multiple small project into a single fab). I have a choice between 350nm to 45nm, and ...
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496
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Using Arduino/Processing to print text on screen when an LED light up
I have a question regarding the programming of printing text on the screen after an LED lights up on a breadboard. Should we plug in the LED into the Arduino board or a regular breadboard? How do I ...
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3
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How to import a library into a Arduino program?
I have a Arduino program wich make use of the processing library.
The program code starts with
import processing.serial.*;
When I try to compile it with the ...
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1
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519
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RFID Reader coding
I Have got my ID-12 module active and putting out the RFID tags' details to Serial as
String valu = port.readStringUntil('\n');
... then I print that to serial. ...
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3
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Streaming a section of video to an external display
I want to be able to connect an external display to my Windows PC (in addition to the existing one), and stream a selected portion of the screen to this display. For example, if I have a small ...
4
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1
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Pros/Cons of different backplane architectures?
Are there some general resources (other than spec sheets of boards) to compare the differences between computing formats like VPX, VME, IBM bladecenter-h, etc?
I am tasked with doing some legwork ...
3
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2
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427
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Serial nested if statements (Not working)
I have been trying to get this to work for a few days.
What I have at the moment is TouchOSC installed on my iphone sending commands to a processing program, which in turn simplifies them and sends ...
5
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3
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797
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Problems installing 'Processing'
I am new to the whole Arduino thing and am having problems loading 'Processing'.
When I attempt to run the Processing program it says 'This Program requires Java Development Kit 1.5.0'. When I go ...