constexpr uint8_t pwm = 11;
constexpr uint8_t dig = 7;

float sine;
int sine_i;


void setup() {
  pinMode(pwm, OUTPUT);
  pinMode(dig, OUTPUT);
  Serial.begin(9600);

}

void loop() {
  senoidal();
  //saida_digital();
}

void saida_digital(){
digitalWrite(dig, HIGH);
Serial.println(1);
delay(0);
digitalWrite(dig, LOW);
Serial.println(0);
delay(0);

}

void senoidal(){
for(int i=-180;i<=180;i+=1)
  {
     sine = sin(i*(3.1415/180.0));
     sine_i = 127+int(sine*255.0/2.0);

     analogWrite(pwm, sine_i);
     Serial.println(sine_i);
     delay(5);
  
  } 

}