codings for ultrasonic sensor
codings for ultrasonic sensor #define trig 5 #define echo 6 void setup() { Serial.begin(9600); pinMode(trig,OUTPUT); pinMode(echo,INPUT); pinMode(13,OUTPUT); } void loop() { long duration , distance; digitalWrite(trig,LOW); delay(2); digitalWrite(trig,HIGH); delay(2); digitalWrite(trig,LOW); duration= pulseIn(echo,HIGH); distance=(duration/2)/29.1; if(distance <= 10) { digitalWrite(13,HIGH); } else { digitalWrite(13,LOW); } delay(1000); } ---------------------------***********----------------------------***************------------------ This is the codings for ultrasonic sensor... For reference watch my yout...