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Recent content by Cüneyt Ta

  1. C

    [PIC] ADC controlling PWM Duty Cycle with 16f877a ( hitech C )

    Hi thank you for your codes I have given my files as proteus and MicroC in the thread " Result is not defined in function" "https://www.edaboard.com/threads/336080/" I think my problems are a little hard to solve .Now I read and learn about ADC PWM and PID .If I can not solve I think to ask...
  2. C

    Result is not defined in function

    @ FvM Hallo! At code Line 60 I had calculate the PID value but I think I used it wrong How can I give this value to the PWM ? bzw.to the duty? What did you mean with “Ti and Td parameters depend on the software cycle time which isn't well defined in your code.” ? what would I do to correct them...
  3. C

    [PIC] ADC controlling PWM Duty Cycle with 16f877a ( hitech C )

    Osman please tell us how did you solve this problem I have the same .
  4. C

    Result is not defined in function

    For PWM Frequecy I had choosen 1000 because of Proteus . In real circuit I have choosen 10 000 Hz. In MicroC I coudnt see any Timer ,I think the libraries count the cycle times but how I dont know .For that reason in Function oku(); the values of variables II ,IY can not be reasonable...
  5. C

    Result is not defined in function

    The project : There are two currents “ unsignt int IIO,IYO ; ” to compare via current sensors. The condition must be “ IIO > = IIY “ . if IIO < IIY then PWM works and gates a Mosfet to draw the over current over an external load. The current sensors are the same sort. They have 2,5...
  6. C

    Result is not defined in function

    Yes I see. I will investigate the Ziegler -Nichols tuning method The software cycle time is also considerable.I ve said that I'm new in C but a little knowledge about picbasic. I have to read about this Ti, Td parameters. Would you please say me how would it be defined software cycle time in C ...
  7. C

    Result is not defined in function

    Hi Can anyone say if the start value of PID variables are reasonable or not ?
  8. C

    Result is not defined in function

    Friends; I'm new in C I tried to comply a project but I take this message .Can some help? // LCD module bağlantıları sbit LCD_RS at RD4_bit; sbit LCD_EN at RD5_bit; sbit LCD_D4 at RD0_bit; sbit LCD_D5 at RD1_bit; sbit LCD_D6 at RD2_bit; sbit LCD_D7 at RD3_bit; sbit LCD_RS_Direction at...
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