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Recent content by jymoo30

  1. J

    how to control variable speed of DC motors with PWM pulse

    Re: how to control variable speed of DC motors with PWM puls Ur speed control is open loop or feedback? It is different in doing the programming.
  2. J

    about high current h-bridges

    irf540n irf9540n h-bridge U need to use optocouple/IGBT drive to built ur H Bridge as a protection device of ur circuit.
  3. J

    how to generate PWM pulse

    U jz need to change the direction of motor without changing the speed control right? It's simple program and can be made it by C with PIC microcontroller since it has PWM output.
  4. J

    Help us to design diagram of UAV made with PIC18F2431

    Re: motor, pic18f2431.. What is the rating of ur motor? Do u provide any filter to elimate the noise in ur circuit since motor is source of harmonic.
  5. J

    Help me with designing MOSFET- bridge for Toshiba TB6575FNG

    Re: Driver MOSFET's i suggest u to change the MOSFET to IGBT since the MOSFET is unstable and it will always accidentally to be conducting in unwanted condition and this will result in short circuit in H bridge.
  6. J

    PIC 16f877 DC motor control

    using encoder to pic16f877a Hi guys...i'm also having a same job with u. I got to use PIC16F876 to generate PWM to control the motor bridge with feedback system and to change the direction at the same time. Is there any way to obtain the sample program regarding to this case?

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