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Recent content by IVANHVG

  1. I

    Transistor package...

    ok Thanks for your opinions, i do also believe there should be an improvement there. Maybe not in current but in power since why if they are the same size, why?? will one cost more than the other. thanks
  2. I

    Transistor package...

    Hi my question is that I bought a transistor 2N2222A and it comes on the T0-92 package which is the black plastic kind of looking one, and another 2N222A in the T0-18 pacakge whick is the metallic package. The second one was more expensive and i was wondering if anyone knows what is the...
  3. I

    LCD question

    Thanks pike and micro. The matter was solved by desodering some jumpers at the back of the LCD. I contacted the manufacturer in Taiwan and they told me what to do. Sheriff with respect to what you were asking if you are new to LCD´s I recomend the folowing link; it is a java aplication tha...
  4. I

    LCD question

    reply Hi I actually tried that before and it doesen´t work. It seems that pins 15 and 16 are connected to Vss and Vdd or pins 1 and 2. Even if I leave pins 16 and 15 unconnected the backlight will stay on, because it seems to draw it´s power from pins 1 and 2 (+/-). And if I put the switch at...
  5. I

    LCD question

    Hi I was wondering if anyone knows how to turn off the backlight in an LCD I have a 16x2 standard LCD, with a green Backlight , but this one is always on and eventually I would like to turn it off. Where i bought the LCD they gave me a piece of paper that says the backlight type is both...
  6. I

    Question!!

    Hi animus!!! Thanks for looking over that huge code. You know i really don´t know wha t you mean by "Clearlcd is called accross a boundary, and i can't see PCLATH been set properly!¨" But i do know that that might be were the problem is because, suddenly that is the subroutine that keeps...
  7. I

    Question!!

    Code As I mentioned, whenever i try to put code anywhere, this program stops working. Also to acces RAM memory locations at 20h to 7Fh on page 0, I have to be on page1 which i think is wrong, but then again i´m probably missing something. The code is in zip format
  8. I

    Question!!

    :? Hi i´m new here, I´m from Bogotá, Colombia and I have a question. i don´t know wether the issue i´m having programming a PIC 16f877 is very simple or not, however I do know it´s driving me crazy. Well, I have programmed this PIC (just assembly) to interface with an LCD and also some...
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