zgrzewarka v0

#define LED_RED 2
#define LED_GREEN 3
#define PIN_SW 12
#define PIN_MOSFET 8
#define PIN_POT A7

#define TIME_MIN 5
#define TIME_MAX 100

void setup() {
  // put your setup code here, to run once:
  pinMode(PIN_LED_RED, OUTPUT);
  pinMode(PIN_LED_GREEN, OUTPUT);
  pinMode(PIN_MOSFET, OUTPUT);
  pinMode(PIN_SW, INPUT_PULLUP);
  Serial.begin(115200);
  Serial.println("started");
}

void loop() {
  // put your main code here, to run repeatedly:
 int potVal = analogRead(PIN_POT);
 Serial.print("Pot raw value ");
 Serial.print(potVal);

 int delayTime = map(potVal, 0, 1022, TIME_MIN, TIME_MAX);

 Serial.print(" \tdelay ");
 Serial.print(delayTime);

  if(digitalRead(PIN_SW) == LOW){
    Serial.print(" \t sw on ");
    SW_ON(delayTime);
    delay(1000);
  }else{
    Serial.print(" \t sw off ");
  }

  Serial.println();
 delay(100);
}
void SW_ON(int duration)
{
  digitalWrite(PIN_LED_RED, HIGH);
  digitalWrite(PIN_MOSFET, HIGH);
  delay(duration*0.5);
  digitalWrite(PIN_MOSFET, LOW);

  delay(500);

  digitalWrite(PIN_MOSFET, HIGH);
  delay(duration);
  digitalWrite(PIN_MOSFET, LOW);
  digitalWrite(PIN_LED_RED, LOW);
}