4. November 2010
Der Abstand der Hand zum Distanzmesser bestimmt welches LED leuchtet.
#define ANALOGIN A0
#define ANALOGOUT 10 //LED
#define OUT1 3
#define OUT2 4
#define OUT3 5
int analogData = 0;
int dataArray[] = {0,0,0,0,0};
int newData = 0;
int counter = 0;
void setup() {
pinMode(ANALOGIN, INPUT);
pinMode(ANALOGOUT, OUTPUT);
pinMode(OUT1, OUTPUT);
pinMode(OUT2, OUTPUT);
pinMode(OUT3, OUTPUT);
Serial.begin(9600);
}
void loop() {
analogData = analogRead(ANALOGIN);
makeNewData();
checkState();
analogWrite(ANALOGOUT, newData / 4);
Serial.println(analogData);
delay(50);
}
void makeNewData() {
dataArray[counter] = analogData;
if (counter <= 4) {
counter++;
} else {
counter = 0;
}
newData = (dataArray[0] + //Datenglättung
dataArray[1] +
dataArray[2] +
dataArray[3] +
dataArray[4]) / 5;
}
void checkState() { //Schwellwert wird ausgelesen
if (newData < 50) {
digitalWrite(OUT1, HIGH);
digitalWrite(OUT2, LOW);
digitalWrite(OUT3, LOW);
} else if (newData > 50 && newData < 300) {
digitalWrite(OUT1, LOW);
digitalWrite(OUT2, HIGH);
digitalWrite(OUT3, LOW);
} else {
digitalWrite(OUT1, LOW);
digitalWrite(OUT2, LOW);
digitalWrite(OUT3, HIGH);
}
}