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> > > 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:
'reading ON/OFF of P3
if datenR=&B00001111 then gosub motor else goto loop
Which value does datenR have, when P3 is not pressed?
Which value does datenR have, when P3 is pressed?
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