Moonshiness554 / ultra-sound-basic-

long duration; long distance; long cm; int echoPin=2; int trigPin=4; void setup() { pinMode(trigPin,OUTPUT); pinMode(echoPin,INPUT); Serial.begin(9600); } void loop() { } long getDistance { digitalWrite(trigPin,LOW); delayMicroseconds(2); digitalWrite(trigPin,HIGH); delayMicroseconds(10); digitalWrite(trigPin,LOW); duration = pulseIn(echoPin,HIGH); cm = duration/27/2; return cm; }