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Lottery Winner: Non-Repeating Random Numbers for Arduino

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  • Lottery Winner: Non-Repeating Random Numbers for Arduino 3 days ago

    After

  • Lottery Winner: Non-Repeating Random Numbers for Arduino 3 days ago

    Try add these following statements at void setup():

    pinMode(10,OUTPUT);
    digitalWrite(10,HIGH);

    Or if not works try:

    pinMode(10, OUTPUT);
    digitalWrite(10,LOW);

  • Lottery Winner: Non-Repeating Random Numbers for Arduino 3 days ago

    This Shield is similar what I am using.

    According to its description the occupied digital ports are: PIN4 (DB4), 5 (DB5), 6 (DB6), 7 (DB7), 8 (RS), 9 (E).

    The following syntax according the this shield pins is the same of my original code:

    // LiquidCrystal lcd(rs, enable, d4, d5, d6, d7)
    LiquidCrystal lcd(8, 9, 4, 5, 6, 7);

    What do you see in the screen? Is it off or totally bright?

    Did you already checked the backlight control of display?

    Maybe it is necessary an adjusting in the Integrated potentiometer.

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