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Recent content by charu2539211

  1. C

    [PIC] extraction of digits in pic assembly

    jayanth- if i do it ur way i get only the ASCII value. i cant use it. - - - Updated - - - Brian- i tried it the way u said. it worked. thanks
  2. C

    [PIC] extraction of digits in pic assembly

    Brian- let's say i have a value in hex -0f0 stored in my memory. if i split the each digit individiually then i ll get 0,f and 0 sepaerately. if i refer each of these to a lookup table, f will have a value 15 right?? how do u suggest i display that...? and also 0f0 in decimal is 240 which is...
  3. C

    [PIC] extraction of digits in pic assembly

    It has to be 0-999 It is stored in hexadecimal in memory. have to display the corresponding decimal value.
  4. C

    [PIC] extraction of digits in pic assembly

    Hi all I am doing a project and i have a value stored in the memory location. I need to extract the hundred, tenth and unit digit so that i can display them on three seven segment display individually.... usually we do this ( here i am taking the value to be 250 for example) 250%10= 0(unit...
  5. C

    [SOLVED] how to convert c++ code into assembly language.... plz help urgent

    U can use MPlab... but i am not sure whether it will support c++. there is an option called disassemble listing on that.
  6. C

    writing in EEPROM in PIC16f887

    hi.... i am writing a program using pic16f887 and i am trying to save some data by writing in EEPROM. i have written the EEPROM write program as a macro and assigned values to the address and data in the main program. i need to store data in three memory locations. (assembly language) this is...
  7. C

    double boost stabilizer for AC

    hi.... can anyone tell me what a double boost stabilizer is and why is it required for an Air conditioner???
  8. C

    EEPROM in pic16f887 and using macros

    for how to write a macro.
  9. C

    EEPROM in pic16f887 and using macros

    ya i know!! but i will be using it many times.. so i thought using macros will be a better option. and i dont have problem if the size of the program increases. - - - Updated - - - can u suggest some tutorials links???
  10. C

    EEPROM in pic16f887 and using macros

    HI can i define the program writing in EEPROM as a Macro and use it in my main program?? if so can u tell me the steps to do so?? I am using MPLAB IDE, PIC16f887 processor.
  11. C

    accessing memory location in PIC16f887

    i am using a push button. so each time i press and release the button, it has to select the appropriate bit to be set... how can i code this??
  12. C

    accessing memory location in PIC16f887

    where should i add the delay??? - - - Updated - - - can u write an algorithm for this??
  13. C

    accessing memory location in PIC16f887

    Hi i am writing a code for pic 16f887 in assembly language which has to count how many times the porta0 is switched on and set the respective port to indicate it loop: first time a0=1 => b0=1 second time a0=1 => b1=1 third time a0=1 => b2=1 fourth time a0=1 => goto loop when a0=0 portb= ffh...
  14. C

    Current Sensing of AC motor.

    hi check the specification of the CT. the voltage will be specified in it and ya rectify that voltage and by using some filter capaciters you ll get a Dc voltage i would still recommend to use a A/D convertor module in the PIC because even by using a bridge rectifier there will be some ac riples.
  15. C

    Current Sensing of AC motor.

    Micro controller can sense signals between 3 to 5V, and a current of 30ma ( i am not sure of the specification for AT89c52.check the datasheet for the exact values). so design a circuit to drop the current from the current transformer within these limits..... if u are using a 100a/30ma CT, then...
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