pinMode(dataPin, OUTPUT);

pinMode(clockPin, OUTPUT);

Serial.begin(9600);

Serial.println("reset");

}

void loop() {

if (Serial.available() > 0) {

// ASCII '0' through '9' characters are

// represented by the values 48 through 57.

// so if the user types a number from 0 through 9 in ASCII,

// you can subtract 48 to get the actual value:

int bitToSet = Serial.read() - 48;

// write to the shift register with the correct bit set high:

digitalWrite(latchPin, LOW);

// shift the bits out:

shiftOut(dataPin, clockPin, MSBFIRST, Tab[bitToSet]);

// turn on the output so the LEDs can light up:

digitalWrite(latchPin, HIGH);

}

}

 

 

 

 

 

 

 

 

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