Arnov Sharma
Published © MIT

LED Tower

Made a LED tower with 180 LEDs and used Pro Micro in order to control them in sequence.

AdvancedFull instructions provided5 hours4,484

Things used in this project

Story

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Schematics

SCH for LED Matrix

Code

Chaser sketch

C/C++
int pinsCount=10;                        // declaring the integer variable pinsCount
int pins[] = {2,3,4,5,6,7,8,9,10,16};          // declaring the array pins[]


void setup() {                
  for (int i=0; i<pinsCount; i=i+1){    // counting the variable i from 0 to 9
    pinMode(pins[i], OUTPUT);       
    // initialising the pin at index i of the array of pins as OUTPUT
  }
}
 
void loop() {
  for (int i=0; i<pinsCount; i=i+1){    // chasing right
    digitalWrite(pins[i], HIGH);         // switching the LED at index i on
    delay(50);                          // stopping the program for 100 milliseconds
    digitalWrite(pins[i], LOW);          // switching the LED at index i off
  }
  for (int i=pinsCount-1; i>0; i=i-1){   // chasing left (except the outer leds)
    digitalWrite(pins[i], HIGH);         // switching the LED at index i on
    delay(50);                          // stopping the program for 100 milliseconds
    digitalWrite(pins[i], LOW);          // switching the LED at index i off
  }

{
    digitalWrite(2, LOW);
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
    digitalWrite(6, LOW);
    digitalWrite(7, LOW);
    digitalWrite(8, LOW);
    digitalWrite(9, LOW);
    digitalWrite(10, LOW);
    digitalWrite(16, LOW);
    delay(1000);
    digitalWrite(2, HIGH);
    digitalWrite(3, HIGH);
    digitalWrite(4, HIGH);
    digitalWrite(5, HIGH);
    digitalWrite(6, HIGH);
    digitalWrite(7, HIGH);
    digitalWrite(8, HIGH);
    digitalWrite(9, HIGH);
    digitalWrite(10,HIGH);
    digitalWrite(16,HIGH);
    delay(1000);
    
}
}

Credits

Arnov Sharma

Arnov Sharma

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