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Recent content by eng_mahmoud87

  1. eng_mahmoud87

    What's the sampling frequency for 512 samples/cycle (cycle=50Hz)?

    sampling frequency read aboutnyquist sampling theorem it will be useful for u ok bye
  2. eng_mahmoud87

    pc interface microcontroller using vb

    there is many article in www.rentron.com speak about VB and microcontroller
  3. eng_mahmoud87

    full project (liquid mixer)

    this is a project of year its talk about liquid mixer
  4. eng_mahmoud87

    need help to measure ac voltage and current

    i need to measure ac current and voltage by microcontroller PIC16f877 (A/D) but this A/D can measure until 5v so i need circuit to make scale between 5 v and 24 v and thanks alot
  5. eng_mahmoud87

    plz need an idea to measure ac

    hi how r u ? i need help to measure Ac voltage and current by microcontroller pic 16f877 i need to measure 24V ac i dont have the idea of using A/D to measure AC ok plz give me ur opinions
  6. eng_mahmoud87

    help for this super project

    universal current impedence ,under-over voltage, and direction power relay required to built protection device by using micro controller pic or AVR and by any language programming feature of this device : 1.sensing the currents and the voltages magnitudes ,sequence ,frequency power - power...
  7. eng_mahmoud87

    How to stabilize a toy car with spider legs?

    Re: Toy car read any books about robotics u will see many solution for balance propblems
  8. eng_mahmoud87

    controlling stepper motors

    i think u shoud read mazidi book about atmel 8051 but if u need control by pic i posted a pdf about stepper motor and pic 118cxx
  9. eng_mahmoud87

    Stupid question. Need help.

    i think audio amp is good idea and more easy
  10. eng_mahmoud87

    What type of microncontroller can I use for motor control?

    Re: microcontroller u can use pic 16f84 with stepper motor or usin g relay to interfaceac motor
  11. eng_mahmoud87

    PIC or AVR, how to display Jpeg to Graphic LCD??

    i think if u want 8051 u should download or buy mazidi pic read picbasic project
  12. eng_mahmoud87

    Suggestions of AVR related resources for beginners

    plz if some one can help me i want to learn AVR iwant to :learn which model will i use it first .refrence for use it and so on ....
  13. eng_mahmoud87

    learning programming for microcontrollers

    basic and c are the best each one has advantages better than other
  14. eng_mahmoud87

    What is the entropy function and how to use it?

    Re: Entropy -What is it? to know mpre information about entropy in details u should read many thing about thermodynamic
  15. eng_mahmoud87

    what is the value of the function

    zero man u should do ur best
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