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Recent content by vxr

  1. V

    Choosing Digital Potentiometer

    i need to replace a 4k7 POT with Digital Potentiometer but the values i found on the internet are not the same can any one help me find a solution for this problem. Thank you
  2. V

    Stuck in programming

    - The microcontroller is PIC16F84 - The 3 switches SW1, SW2 and SW3 choose between Video Source1, Video Source2 and Video Source3 respectivly. So if Video Source1 is required SW1 has to be pressed - The actual problem i am facing is: all this would be connected to a LCD screen, the...
  3. V

    Stuck in programming

    all switches are used so you have 3 options it can be Either SW1 or SW2 or SW3.. The Problem i am facing each switch turns on a Video source on a screen the screen starts by default at Video Source 1. to change the Video Source i used a relay to switch on the source switch, but the screen...
  4. V

    Stuck in programming

    i have 3 switches SW1, SW2,SW3 starting always from SW1 in need the pic to know which is pressed because dependanct on the switch pressed i need to send eg pulses for example Starting from SW1 if Sw1 is pressed nothing happens if SW2 is pressed i need to send 1 pulse if sw3 is pressed i...
  5. V

    3 conditions

    how to have 3 conditions in programing the PIC16F84 in asm eg. Condition 1 , Condition 2 , Condition 3 if condition 1 execute........ if condition 2 execute........ if condition 3 execute loop back
  6. V

    Pics and relays

    it is rated 12V 30 Amps i want to drive a circuit with 12V Thanks
  7. V

    Pics and relays

    no 12V 30Amps relay i know the PIC cannot but there should be a way..
  8. V

    Pics and relays

    i would like to control a 12V 30 Amp Relay with PIC16F84 and i dont know how. plz help thanks
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