tinkercat simple pwm

transition from 50% to 75% duty cycle

void setup()

{

  pinMode(9, OUTPUT);

}

void loop()

{

  analogWrite(9,64);

  delay(1000);

  analogWrite(9,127);

  delay(1000);

  analogWrite(9,191);

  delay(1000);

  analogWrite(9,255);

  delay(1000);

  analogWrite(9,0);

  delay(1000);

}

reference:

https://www.youtube.com/watch?v=7OYLakRyjTc