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  1. Replies
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    Re: USB to send ASCII characters to PC

    Mike:
    Thanks for the interesting book. It made me look at VB again. The last app I did was in VB6 and liked that I was able to make an exe or an installer. When I check again in VB2015, the IDE was...
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    Re: No emails since December

    Thank you Lester for the reply. We do understand and are grateful for your efforts.

    Ioannis
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    Re: USB to send ASCII characters to PC

    Unfortunately I am not qualified to write PC apps... Too pity that once I started to do things in C (command line environment) and a little Visual Basic 6 but did not evolve on that.

    Thanks...
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    No emails since December

    It seems that since early November I do not receive any email notifications about new posts of the threads that I am subscribed.

    Any one else having the same problem?

    Before posting this, I...
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    Re: USB to send ASCII characters to PC

    Yes, the focus is a thing that bothers me and I wish I knew a way to deal with it.

    If for any reason (and windows has a lot, I am sure) the focus is lost, data entry is lost too...
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    Re: USB to send ASCII characters to PC

    George,
    I do not understand where flow control is needed.

    Ioannis
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    Re: USB to send ASCII characters to PC

    Thank you both. Those info are enough to get me started.

    Ioannis
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    USB to send ASCII characters to PC

    Regarding USB my level is at almost zero.

    I would like to make an RFiD reader and send the card serial number to a PC through USB port. Preferably not as RS232 too USB, so that the user on the PC...
  9. Re: Determining variable length (number of digits) possible?

    You are mixing string with numeric values...

    12345 is a decimal number.

    LEN or any other similar command (LEFT, RIGHT, MID) will take as an input just string characters, not numeric values.
    ...
  10. Re: 12F683 GPIO.3 MCLR pin - unusual response

    GP3 does not have any other function except MCLR if set to.

    So the erratic behavior may be related to the software. Show the code please.

    Ioannis
  11. Re: Replacing array member on the fly (big LCD characters idea)

    Indeed, it looks very nice! Nice work.

    Ioannis
  12. Re: Replacing array member on the fly (big LCD characters idea)

    OK, depends on what you want to do. If you want to place the LCD opposite of the sun, yes, nextion will not fit in.

    In anyway, most of the user interface is well covered with these displays. As...
  13. Re: Replacing array member on the fly (big LCD characters idea)

    And there is Nextion displays, in many sizes, low cost, with touch and colors to do anything like that with almost zero overhead in programming.

    But in either case, nice study case.

    Ioannis
  14. Re: Replacing array member on the fly (big LCD characters idea)

    Nice and clear fonts. Good work!

    Ioannis
  15. Re: Replacing array member on the fly (big LCD characters idea)

    On the custom character, unless explicitly stated, you should consider it full of rubbish.

    Ioannis
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    Re: Better code check before compile?

    Interesting... This is easy to check I guess.

    Ioannis
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    Re: TM1638 LED Display Driver/Controller

    Thank you for the nice contribution and detailed comments on the code.

    Ioannis
  18. Re: Replacing array member on the fly (big LCD characters idea)

    then combine accordingly like that:



    a_left=(byte_var & %11111000)>>3


    to make it right justified if needed.

    Ioannis
  19. Re: Replacing array member on the fly (big LCD characters idea)

    Something like this?



    byte_var var byte
    a_left var byte
    b_left var byte

    byte_var=%10101010
    a_left=byte_var & %11111000
  20. Re: PIC16F15355 config setting to work on internal OSC with clock 4MHz

    I do not have this chip but maybe you should do also this:

    OSCCON1=%00000011
    OSCCON2=%00000011

    So you will have a 32MHz/8=4MHz

    You also have the FCMEN_ON which means that if your main...
  21. Re: Can we have multiple 1-wire devices on single pin?

    The idea is to have the PIC as a master device and the PIC to request a communication.

    So, with the available commands, it is not possible to make a PIC react as a slave 1-wire device.

    You have...
  22. Re: Replacing array member on the fly (big LCD characters idea)

    Really nice job on the big numbers.

    What is the difference between parallel - serial LCD? Other than electrical connections and some specific commands? Have not used serial so far but I guess...
  23. Re: Replacing array member on the fly (big LCD characters idea)

    Have you seen this: http://www.picbasic.co.uk/forum/showthread.php?t=4795&p=26736#post26736

    And this: http://www.picbasic.co.uk/forum/showthread.php?t=17707&p=118687#post118687

    Ioannis
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    Re: Any elegant way of text string handling?

    It sure does...

    Think about it.

    Ioannis
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    Re: Any elegant way of text string handling?

    Why not use a termination character, say 0 terminated string.

    So you only have to check if you reached the 0 value in the data area that your message is stored.

    This is what Richard suggested....
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