diff --git a/ultrasonic.ino b/ultrasonic.ino
new file mode 100644
index 0000000..8c53f12
--- /dev/null
+++ b/ultrasonic.ino
@@ -0,0 +1,36 @@
+float distance =0;
+long Time;
+
+#define Echopin 13
+#define Triggerpin 12
+
+void setup()
+{
+    Serial.begin(9600);
+    pinMode(Echopin,INPUT);
+    pinMode(Triggerpin,OUTPUT);
+    digitalWrite(Echopin,LOW);
+    digitalWrite(Triggerpin,LOW);
+
+}
+
+void loop()
+{
+      ultra_sonic();
+}
+
+void ultra_sonic()
+{
+    digitalWrite(Triggerpin,HIGH);
+    delayMicroseconds(10);
+    digitalWrite(Triggerpin,LOW);
+
+    Time=pulseIn(Echopin,HIGH);
+
+    distance=(Time*0.0343)/2;
+
+    Serial.print("DISTANCE :");
+    Serial.print("\t");
+    Serial.print(distance);
+    Serial.print("\n");
+}