int t=0;
int omega=2;
float dt = 0.1;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  float out = sin(omega*dt*t);
  Serial.println(out+2);
  delay(100);
  t++;
}