I use liquidCrystal.h as LCD library and analog input to recognize which button is pressed. The code: int setPinValue; int parameter; if((setPinValue>=240)&&(setPinValue<420)) //"Down" button pressed {lcd.clear(); parameter--;} Why after pressing the button the rubbish from previous screen is …

lcd.clear(); does not work

system November 24, 2009, 11:41pm 4

So he could tell if the button was pressed part way, I guess.

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