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 Re: progamming PCF8574 Kategorie: Programmierung Basic (von rien an harmelen - 23.11.2004 17:33)
 Als Antwort auf Re: progamming PCF8574 von Achim - 23.11.2004 11:07

> > > > Please, who can help me to program a  PCF8574. What is wrong in the program given below.
>
> > I think there is someting wrong because by pressing the switch P3 the stepper does not turn, as I have in mind.
>
> This is part of your program from your original posting:
>
> #loop
> 'reading ON/OFF of P3
> gosub start
> datenW=65
> gosub I2C_write
> gosub I2C_read
> gosub Noack
> gosub Stop
> if datenR=&B00001111 then gosub motor else goto loop
> goto loop
>
>
> Which value does datenR have, when P3 is not pressed?
> Which value does datenR have, when P3 is pressed?
>
> Bye
>  Achim


Hallo Achim

In both cases 0 (OFF)

Bye

Rien



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Re: progamming PCF8574 (von Achim - 23.11.2004 18:04)