LED Brightness Control Using PWM

Solving Approach:

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Code

/*Paste your code here*/
#define LED1 9
int Counter; 

void setup() {

  pinMode(LED1, OUTPUT);

}

void loop() {

  for (Counter=0;Counter<256;Counter++){
    delay(8);
    analogWrite(LED1,Counter);
  }

  for (Counter=255;Counter>=0;Counter--){
    delay(4);
    analogWrite(LED1,Counter);
  }

}
  



 

Output

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Photo of Output

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