- const int trigPin = 9;
- const int echoPin = 10;
- long duration;
- int distanceCm;
- void setup() {
- pinMode(trigPin, OUTPUT);
- pinMode(echoPin, INPUT);
- Serial.begin(9600);
- }
- void loop() {
- digitalWrite(trigPin, LOW);
- delayMicroseconds(2);
- digitalWrite(trigPin, HIGH);
- delayMicroseconds(10);
- digitalWrite(trigPin, LOW);
- duration = pulseIn(echoPin, HIGH);
- distanceCm= duration*0.034/2;
- Serial.println(distanceCm);// if distance less than 0.5 meter and more than 0 (0 or less means over range)
- delay(100);
- }
Re: ultrasonic 1 
From ka, 3 Years ago, written in Plain Text.
This paste is a reply to ultrasonic 1 from ka
- view diff
Embed
Download Paste or View Raw
Hits: 123
