avoiding collisions car

Signed-off-by: vesselofgod <[email protected]>

Author: vesselofgod

avoiding_collisions/avoiding_collisions.ino

@@ -0,0 +1,47 @@
+int echoPin=13;
+int trigPin=12;
+
+void setup() {
+Serial.begin(9600);
+pinMode(trigPin,OUTPUT);
+pinMode(echoPin,INPUT);
+pinMode(4,OUTPUT);
+pinMode(5,OUTPUT);
+}
+
+void loop() {
+
+float duration,distance;
+digitalWrite(trigPin,HIGH);
+delay(10);
+digitalWrite(trigPin,LOW);
+duration=pulseIn(echoPin,HIGH);
+distance=(duration*340)/20000;
+Serial.println(distance);
+
+  if(distance>=150)
+  {
+    analogWrite(5,255);
+    digitalWrite(4,LOW);
+  }
+  else if(100<=distance && distance<150)
+  {
+    analogWrite(5,190);
+    digitalWrite(4,LOW);
+  }
+  else if(75<=distance && distance<100)
+  {
+    analogWrite(5,150);
+    digitalWrite(4,LOW);  
+  }
+  else if(45<=distance && distance<75)
+  {
+    analogWrite(5,130);
+    digitalWrite(4,LOW);  
+  }
+  else
+  {
+    analogWrite(5,0);
+    digitalWrite(4,LOW);  
+  }
+}