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    Re: CRC engine in PIC18F67K40

    Never used that chip and the hardware CRC, but since it is hardware I bet it will be much faster than any software implementation.

    Ioannis
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    Re: KS0108 glcd another look

    And you typed all that yourself???

    Well done and thank you!

    Ioannis
  3. Thread: Goodbye

    by Ioannis
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    Re: Goodbye

    It really help to design an HMI fast. I am looking forward to see the 10" capacitive display because the resistive film makes them a bit blurry.

    If the project does not need a touch interface, one...
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    Re: I2CRead problem

    Fuses and the like are a pain. So many new options on the recent chips. I hate it as I loose too much time from the programming itself, on figuring out how to set up a new (or older) chip.

    All...
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    Re: I2CRead problem

    It is not easy to me. I detest C lanquage. Despite my efforts so far, I did not managed to flip over.

    It looks very cryptic...

    Ioannis
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    Re: How do you drive a Serial LCD?

    I admire your courage to do this in assembly!

    Ioannis
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    Re: I2CRead problem

    I am very embarrassed...

    I forgot completely ANSELD and ANSELE when testing it...

    Ioannis
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    Re: I2CRead problem

    Thank you Richard. Will do that this evening.

    I tried byte read, word read, page read, Nothing works and all var's are just a zero.

    The chip is a 16F1939 but I am sure this does not matter....
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    I2CRead problem

    Very strange problem.

    Executing an I2CRead command does only I2CWrite as it is shown on the Logic capture.

    This is my test code for an 24C64 EEPROM



    DEFINE I2C_SLOW 1
    b1 var byte
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    Re: PID-filter routine (2nd try).

    Thank you Henrik for the reply.

    Well, for the testing I did not had very precise call to the PID routine. It is based on a tide loop of 2 to 20 ms (Pause 2 etc) without having any other tasks to...
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    Re: PID-filter routine (2nd try).

    Hi Dave.

    Do you imply that high values make it hard to reach setting point?

    The I clamp is in the list of the parameters. It is set to 100. Setting it higher makes oscillation worse to...
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    Re: PID-filter routine (2nd try).

    Hi Henrik. Thanks for your attention.

    I started as you said, with zero the terms Ki and Kd.

    The point of oscillation was a bit higher than the $250. About $0300.

    Then I increased Ki but...
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    Re: PID-filter routine (2nd try).

    Many time I tried the PID include on different projects but never with success.

    This time I am determined to make it work.

    The new setup has a 3 phase blower that sucks air from a container, a...
  14. Re: ac 220v measurement with differential amplifier

    1. Be very careful with such circuits. IT CAN KILL YOU INSTANTLY!!!

    2. Be very careful with the earth symbol, as it is the low voltage 5V or 12V common point and NOT the Power Line Earth!

    3....
  15. Thread: Goodbye

    by Ioannis
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    5,253

    Re: Goodbye

    Never said anything about the hardware, which by the way is very impressive, having WiFi, Bluetooth etc on a low price board. A really dream board, either Pi or other flavors.

    My concern is about...
  16. Thread: Goodbye

    by Ioannis
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    Re: Goodbye

    I for one, am a guy that started with Basic and found it very difficult to jump over to C.

    Tried many times but seems too difficult...

    Especially the beast called MPLAB-X.

    Ioannis
  17. Thread: Goodbye

    by Ioannis
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    5,253

    Re: Goodbye

    I agree, the specs are no near anything in PIC or even Arduino world.

    But, will you trust such a board for a professional application? I know you are doing it for hobby, but others will be more...
  18. Thread: Goodbye

    by Ioannis
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    5,253

    Re: Goodbye

    Alberto,

    not all tools are the solution to every problem. If you want just to write a few lines of code and run the code then OK. But you have a full featured computer to blink a led or do some...
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    Re: Programming RFM radio modules in Basic

    SPI is not RS232. Sure Richard spot it. You need to revise your connections.

    Also, your caps around the crystal, what values are?

    Ioannis
  20. Thread: Goodbye

    by Ioannis
    Replies
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    5,253

    Re: Goodbye

    Not just any AVR MCU you like I think. Only those supported.

    And then you have to accept and tolerate the limitations of the environment, as you have no word on which pins will be...
  21. Thread: Goodbye

    by Ioannis
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    Re: Goodbye

    I could not follow you on this Norm. You mean that the Arduino is expensive? If so, chinese boards are available for much less.

    But anyway, it is targeted to a different audience, with different...
  22. Thread: Goodbye

    by Ioannis
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    Re: Goodbye

    This is not fair.

    Have you checked this: http://www.picbasic.co.uk/forum/content.php?r=5

    and this: http://dt.picbasic.co.uk/

    Many good examples and a lot of info.

    Ioannis
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    Re: MRF90XAM9A interfacing help

    There is an alternative to PBP, Proton Basic.

    As for the lib's comparing to Arduino platform, Richard hit the point well. You have to accept using ONLY one or two chips, with a lot of peripherals...
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    Re: MRF90XAM9A interfacing help

    There is an alternative to PBP, Proton Basic.

    As for the lib's comparing to Arduino platform, Richard hit the point well. You have to accept using ONLY one or two chips, with a lot of peripherals...
  25. Thread: Goodbye

    by Ioannis
    Replies
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    5,253

    Re: Goodbye

    @Lester:

    Does the Amicus web site work? It says that it does not work.
    Availability and price is a serious factor for a product success. If one has to pay, say 20 euros for the product and 30 to...
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