Praksa_Dummy_Board

#define trigPin 11
#define echoPin 12

#define greenLED  9   // PWM PIN 9
#define redLED    6   // PWM PIN 6
#define yellowLED 3   // PWM PIN 3

#define potentiometer 5
#define pneumatic 2


int v1 = 1;
int v1_speed = 1;
float v2 = 1;
float v2_speed = 0.2;

boolean pneumaticState = true;
long    pneumaticDelay = 0; //keep track of the last time the pneumatic has been activated


long    senseDelay = 0;

void setup() {
  Serial.begin(115200);
  pinMode(pneumatic, OUTPUT);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  // nothing happens in setup
}

void loop() {
  //GREEN PWM////////////////////
  analogWrite(greenLED, v1);
  if (v1 <= 0 || v1 >= 255)
    v1_speed = -v1_speed;
  v1 += v1_speed;

  //RED PWM////////////////////
  analogWrite(redLED, v2);
  if (v2 <= 0 || v2 >= 255)
    v2_speed = -v2_speed;
  v2 += v2_speed;

  /*
  if (millis() > senseDelay) {
    senseDistance()logWrite(yellowLED, senseDistance());
    senseDelay = millis() + 500;
  }
  */

  analogWrite(yellowLED, analogRead(potentiometer) / 4);

  if(millis() > pneumaticDelay) {
   pneumaticState = !pneumaticState;
   digitalWrite(pneumatic, pneumaticState);
   pneumaticDelay = millis() + 2500;
  }


  delay(5);
}

int senseDistance() {
  long duration, distance;
  digitalWrite(trigPin, LOW);
  delayMicroseconds(20);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(20);
  digitalWrite(trigPin, LOW);
  delayMicroseconds(20);
  duration = pulseIn(echoPin, HIGH);
  distance = (duration / 2) / 29.1;
  Serial.print("Distance: ");
  Serial.println(distance);
  return distance;
}