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    c compiler

    Does anybody knows if there´s a C compiler for pic18f4550??

    Thanks to all of you!

    Best Regards.

    Armando Herjim
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    Configuration bits

    Hello. I´m using mplab to do my pic code and I just found that when I programmed my pic it just does not work... then I found out that when I load my program to my pic it does not respect my...
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    clock speed

    Here´s another one... does the line "define osc xx" have to be ALWAYS the value of the xtal or this depends on the clock configuration for the pic?

    Thanks again!

    Regards

    Armando Herjim.
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    Plldiv...

    Hello everybody... I am trying to make some USB communication and there´s something I´d like to know.... I use these lines on my 18F4550.INC file: (this post is more about the configuration in this...
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    Hello Vision....

    I think you should try to make a google search like they suggested. I guess your problem is that your motor requieres more much current (A) that your H-Bridge can handdle... or maybe you just need...
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    Once again me!!

    Hey thanks a lot for your help. I´ve already got to it!! But now I just would like to know if any of you have ever work with LabView version 7.1?? That´s because I tried to stablish some usb...
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    I got a questin here....

    Hello everybody. I am using MPLab IDE V.7.30 and when I use the usbinit, usbin, usbout and usbservice and then compile my program I see this errors:

    ERROR: Macro USBINIT? not found in macro file....
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    Hello guys.

    I´d like to have a copy of that source too please. If there´s someone really kind out there my email is

    [email protected]

    Very thankfull.

    Regards

    Armando.
  9. Operating system kernels for microcontrollers!??!

    Hey everybody. Last week I met a guy who told me that there are kernels... little kernels from operating systems like linux that you can load into a microcontroller (depending on wich micro we´re...
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    ..

    Well thanks both of you. The pic I use is 18F4550. I´m going to try out your advices, but there is still one thing I´d like to know. If I need 8 bit resolution I have to use left justified, (thanks...
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    ADC Channels

    Hello. I have to read an analog signal and to convert it to a digital signal, but I just can´t get to do it. I know the adc has a 10-bit resolution right? Ok, so What bits are in adresh and wich ones...
  12. Thread: Pwm

    by Armando Herjim
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    Pwm

    Hello. If I have 10 bits resolution in pwm I can write the % this way:

    1111001101

    or it has to be something like this:

    1111111000 or
    1100000000 or
    1111000000
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    View Post

    Hey thanks o lot!! I´ll trie those hints. Anyways if there is any more, will be welcome.

    Regards
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    4.0v 0.7a

    Hello. I got a little problem here. You see, I need to control two dc motors. Each one consumes .7 A so I had a variable reguator for each of them. I used the LM317 and it is supposed to give 1.5 A,...
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    View Post

    I live in Mexico. What´s the diference?
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    By the way..

    I forgot, it´s for an office wich is inside of a building, so I guess I need something I could use in door #2. Thank you again.
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    Wich Steve?

    Steve you, Mister-e.
    Thanks Luciano, I´m asking for the hardware as well as any ideas for software, thanks for the advise, but I think that won´t be the case.

    Best Regard
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    Hello Everybody!!

    Hey, hope you all are fine and having a very very good time with lot of fun! I took some vacations but now it seems I´m back again, so, my next question is: How difficult would it be to develop an...
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    Problems with DC motors

    Everybody!! I have a pic that activates two dc motors but when they run my pic goes crazy and does not responde to external interruptions so, I was wondering wich of all you could tell me how to make...
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    Smartcards!!!

    Hello everyone. Does any body know something about this things called smartcards?? Well, I know what they are but I´d like to know how can I read them or load a program into those because I teacher...
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    AA no mames!!

    This is just what I was looking for!!
    Thank you steve! And thanks to Darrell too!!

    Armando.
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    Interruptions

    Does anybody has information on Interruption with pics 18f's?? I wanna know if there´s a way of get them work in the same moment an interruption appears and not when pbp finish an instruction... I...
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    Serial questions

    Hello. Could anybody please explain me how is it that a Serial communication works??? I mean I know that the levels are from 0 volts to 5 volts, I understand that, but what I want to know is for...
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    Artificial Vision

    Excuse my English but I´m not American, well, not from the United States. Anyways, I´d like to know if anybody of you have ever used a CMUcam (www.acroname.com) If it is so, I have my cam serially...
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    Low-voltage fuse????

    Hello Steve. My pic is 18F4550. I don´t know what is the low-voltage fuse, I´ll check it... and the schematic... well it´s just the pic with its power pins the reset circuit and the oscillator with...
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