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Type: Posts; User: bigdogguru

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  1. Replies
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    Re: Edaboard Poor Performance

    I'll pass this complaint on to management.
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    [SOLVED]Closed: Re: INTERFACING MCP4162 with PIC16F886

    Perhaps if you explained the intended application/system in detail, there maybe a alternative path to a viable solution.

    You also should be aware that the typical wiper resistance is 75Ω, however...
  3. Closed: Re: Writing data to USB with FTDI chip/Writing too frequently causes error

    You might try setting up a traditional RS-232 link with a MAX232 and cable to a serial port on your system.

    BigDog
  4. Closed: Re: Writing data to USB with FTDI chip/Writing too frequently causes error

    Perhaps a system driver issue.

    What OS is the computer system running? What revision is the FTDI driver? What version of Python? What version of the USB API?

    Have you verified the FTDI is...
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    Closed: Re: Walkie talkie Housing/Enclosure

    Welcome to the EDABoard,

    It appears your photo was not successfully uploaded.

    Please review the following:

    https://www.edaboard.com/showthread.php?t=339604

    And attempt to repost the photo.
  6. [SOLVED]Closed: Re: PIC18F97J60 ADC interface, observe forum rules

    As paulfjujo indicated in post #4, the problem lies with the following statement:


    char buff[] = "";

    Which is essentially a pointer to NULL.

    The C language does not permit automatic dynamic...
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    Closed: Re: Which is pin 6 and pin 7 on MCP1407?

    As Frank indicated the only way to be certain, is to measure the separated drain terminals, however I suspect they are internally connected to provide an adequate path for the Peak Output Current of...
  8. Closed: Re: Serial protocols for realtime control/telemetry with many channels

    You might want to take a look at latest CAN protocol implementations. About five years ago I utilized a CAN implementation over Bluetooth, I realize BT does not offer the throughput need to your...
  9. Closed: Re: Using Co-amplifier with L297 to drive mosfets

    --> Or use one of the many commercially available MOSFET drivers.

    BigDog
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    [PIC]Closed: Re: pic 18f26k40 bootloader

    Most likely your program along with the bootloader are consuming more resources than the device has to offer.

    Lack of resources could take the form of Flash, SRAM or EEPROM.

    Another...
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    [SOLVED]Closed: Re: MinGW installation problem need help

    Unfortunately, it is a common issue encountered on Windows OS environments, users open source files in text editors like Notepad which add the txt extension to the file by default when saved.
    ...
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    [SOLVED]Closed: Re: MinGW installation problem need help

    Obviously, the hello.c file is either not located in the current directory:


    C:\Users\Mr Embedded\

    Or the full file name is NOT:


    hello.c
  13. Replies
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    [SOLVED]Closed: Re: MinGW installation problem need help

    Please execute the following command from the command window:


    dir -l hello.c

    Post a screen capture of the result.

    BigDog
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    [SOLVED]Closed: Re: MinGW installation problem need help

    I've examined the results and compared your results with mine.

    The only major difference, apart from the make and version number, is the COLLECT_GCC environmental variable:

    yours
    ...
  15. Replies
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    [SOLVED]Closed: Re: MinGW installation problem need help

    The above error message clearly indicates the OS is finding the gcc.exe executable just fine. What the OS is not finding is the hello.c file on your desktop.

    Execute the following command and post...
  16. Closed: Re: what can be behavior for 3.3v PIC and 5v display

    The PIC16F886 offers a wide operating voltage range of 2.0V to 5.5V.

    Why not increase the voltage supply of the PIC16F886 to 5.0V and eliminate the problem?

    If that is not possible, you might...
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    Closed: Re: Porting xenomai rtos to arm cortex m3

    I do not believe an ARM Cortex-M3 device like the LPC1768 has the resources to support a port of the Linux 3.0 kernel, which is required for Xenomai RTOS.

    For a list of the supported hardware:
    ...
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    Closed: Re: Cant understand The function of OPAMP?

    In its current configuration the LM301A is essentially a comparator, with the set point applied to the inverting input and the sense applied to the non-inverting input. Its primary function appears...
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    [SOLVED]Closed: Re: [Moved] Troubleshooting a Dart Machine Bug

    I'm glad to hear your good news.

    NVRAM devices such as the DS1225 account for the major of issues with legacy equipment which employ them in their designs.

    I've repaired many a test equipment...
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    [PIC]Closed: Re: uart problem with pic 18f6620

    What is the frequency of the crystal shown in the schematic?


    BigDog
  21. Closed: Re: Defining environment variable in Eclipse

    Apart from learning to write routines which can be easily ported to other platforms for repeated use, the best advice I can give:

    1. Practice

    2. Practice some more.

    3. Practice till a state...
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    [PIC]Closed: Re: uart problem with pic 18f6620

    While not utilizing MikroC, there are several issues which should be mentioned.

    What are the current configuration register settings? Has the watchdog timer been disabled?

    What is the actual...
  23. Closed: Re: Defining environment variable in Eclipse

    There are a few possible options, one option, my preference, would be to define a symbol, not an environment variable:

    1. Right click the current project folder/directory and select Properties.
    ...
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    Closed: Re: Choosing a USB type logic analyzer

    You might consider the Intronix LogicPort,

    34 CHANNEL LA1034 LOGICPORT LOGIC ANALYZER


    500MHz Timing-Mode (Internal Clock)
    200MHz State-Mode (External Clock)
    Advanced Multi-Level...
  25. Closed: Re: How to get (MCFIL ) Coupler Microstrip With S11 = 0 and S21 =-10db

    @HarunoYoona

    Please post your schematics and images here in this thread, do not PM them to members directly.


    BigDog
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