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Recent content by susane

  1. S

    Ad5934 Heart rate measurement

    Hi Is there anyone who have used AD5934 with arduino to calculate heart rate? i need some help regarding this chip i am not able to read any realistic data using this device Even if i use a defined resistor, it is showing wrong resistance value Need help
  2. S

    Matlab FFT function plot giving no output

    the frequency of heart beat signal should be between 1hz to 1.8 Hz my sampling rate is 125 sps
  3. S

    Matlab FFT function plot giving no output

    Hello guys I have some ECG data that you can see in the figure, i am using this simple code to plot the magnitude spectrum in matlab using FFT function, but i am not able to understand the plot, Where in this plot is my required ECG signal? sampling frequency in 125Hz. This is an ECG signal and...
  4. S

    Understanding the Phase response of FIR filter

    Yes i mean BPF of center frequency equal to 1 Hz But i am sorry, i didnt understand your last point about the pass frequencies, What i want is to filter Heart Beat from a BIA signal My sampling rate is 125Hz assuming that the heart beat will occur once every second, that is 1 Hz. I am using...
  5. S

    Understanding the Phase response of FIR filter

    Hi pancho_hideboo That was really helpfull, i am quite new to these stuff you may think that i am asking stupid questions but i want to learn. Now my second question is its a quiet basic question If i use a band pass filter of 1hz it means that it will give me only the signals that are...
  6. S

    Understanding the Phase response of FIR filter

    and what are the names of these tools? My FIR coefficients are { 0.021, 0.096, 0.146, 0.096, 0.021};
  7. S

    Understanding the Phase response of FIR filter

    Hi Klaus So is it a low pass filter or a band pass?
  8. S

    Understanding the Phase response of FIR filter

    Hi everyone I am working on ECG signal capturing using ADS1292R connected with Arduino uno, Luckily i found an FIR filter library for arduino, i included that in my code, but i dont know which type of filter is it. So i used the filter coefficients to plot the phase response in matlab. but i...
  9. S

    Arduino UNO digital pin config

    can you please send me the code for this? i am new to programming and i didnt understood what you said.
  10. S

    Arduino UNO digital pin config

    Hi I am using arduino uno I want to use one of the digital pins of arduino as an output, but i want it to oscillate at a given frequency i used this code and it worked perfectly for (int i = 0; i <10000;i++) { int pin = 1; digitalWrite(Pin,HIGH); digitalWrite(Pin,LOW); }...
  11. S

    ADS1292R Communication

    Hi Thanks a lot for the information, This was really helpfull :) Now atleast i know what was wrong with my hardware, i will fix this issue and will be back here for more information. Thanks Klaus :)
  12. S

    ADS1292R Communication

    This is the Circuit i am using. *********** And i am using the ARDUINO framework so the output is displayed on the serial monitor of arduino framework ************* And yes you are right i am expecting the value "0x73" ******* Just a small update that i want to give to you is that, i just...
  13. S

    ADS1292R Communication

    Sorry about my bad explanation,i am new to these forums, the problem is that when i am reading register 0x00, all i am getting is a stream of "0" on the output. and by successful communication i mean that when i will get the correct register value, i will be sure that my communication is...
  14. S

    ADS1292R Communication

    Hello every one, i am an engineering student and i have been given a project, i want to communicate with ADS1292R with my Arduino UNO, I have used the data sheet connections provided on page no 60. i am using 4 wire SPI configuration, and for a good starting point, i just want to read a basic...

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