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  1. Replies
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    Re: I2CWRITE not writing anything on PIC18F45K80

    its totally up to you to decide how much time you are prepared to waste learning this lesson.

    continually wheeling out the old "ZX Spectrum BASIC" excuse leads nowhere and never will , compiled...
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    Re: I2CWRITE not writing anything on PIC18F45K80

    how can you interpret that to mean that writes involving array boundary violations are an acceptable programming technique ?
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    Re: I2CWRITE not writing anything on PIC18F45K80

    if you can produce a minimal, complete and verifiable example [MCVE] that demonstrates the problem it would be the first
    ever case. do continue
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    Re: I2CWRITE not writing anything on PIC18F45K80

    code snippets , a complete waste of time and effort
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    Re: I2CWRITE not writing anything on PIC18F45K80

    as i pointed out a year ago
    https://www.picbasic.co.uk/forum/showthread.php/24652-My-quot-Library-quot-for-ST7920-Graphical-displays-works-fine-but...?p=148923#post148923
    post #7

    there are much...
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    Re: I2CWRITE not writing anything on PIC18F45K80

    to be clear

    provided it is wired correctly and the chip is pcf8574 the original code works just fine
  7. Replies
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    Re: I2CWRITE not writing anything on PIC18F45K80

    if you mean its wiring error or the chips aren't what you say , probably

    schematic ?
  8. Replies
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    30,407

    Re: I2CWRITE not writing anything on PIC18F45K80

    provided it is wired correctly and the chip is pcf8574 the original code works just fine
    although technically
    TRISD=%00000000 'set PORTD as output all
    should be
    TRISD=%00001100 'set PORTD
    ...
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