void setup() {
int samlagning;
Serial.begin(9600);
}
void loop() {
int takkaval;
takkaval = athugaTakka();
Serial.println(takkaval);
}
int athugaTakka() {
if(digitalRead(6) == LOW) {
return 10;
}
if(digitalRead(7) == LOW) {
return 20;
}
if(digitalRead(8) == LOW) {
return 30;
}
if(digitalRead(9) == LOW) {
return 40;
}
}