the value of ultrasonic sensor will be printed in led
the value of ultrasonic sensor will be printed in led
code:
// C++ code // int ultrasonicsensor = 0; long readUltrasonicDistance(int triggerPin, int echoPin) { pinMode(triggerPin, OUTPUT); // Clear the trigger digitalWrite(triggerPin, LOW); delayMicroseconds(2); // Sets the trigger pin to HIGH state for 10 microseconds digitalWrite(triggerPin, HIGH); delayMicroseconds(10); digitalWrite(triggerPin, LOW); pinMode(echoPin, INPUT); // Reads the echo pin, and returns the sound wave travel time in microseconds return pulseIn(echoPin, HIGH); } void setup() { pinMode(0, OUTPUT); pinMode(1, OUTPUT); pinMode(3, OUTPUT); pinMode(4, OUTPUT); pinMode(5, OUTPUT); pinMode(6, OUTPUT); pinMode(7, OUTPUT); } void loop() { ultrasonicsensor = 0.01723 * readUltrasonicDistance(A0, A0); if (ultrasonicsensor > 4 && ultrasonicsensor < 6) { digitalWrite(0, HIGH); } else { digitalWrite(0, LOW); } if (ultrasonicsensor > 7 && ultrasonicsensor < 12) { digitalWrite(1, HIGH); } else { digitalWrite(1, LOW); } if (ultrasonicsensor > 13 && ultrasonicsensor < 17) { digitalWrite(3, HIGH); } else { digitalWrite(3, LOW); } if (ultrasonicsensor > 18 && ultrasonicsensor < 25) { digitalWrite(4, HIGH); } else { digitalWrite(4, LOW); } if (ultrasonicsensor > 26 && ultrasonicsensor < 32) { digitalWrite(5, HIGH); } else { digitalWrite(5, LOW); } if (ultrasonicsensor > 33 && ultrasonicsensor < 49) { digitalWrite(6, HIGH); } else { digitalWrite(6, LOW); } if (ultrasonicsensor > 50 && ultrasonicsensor < 100) { digitalWrite(7, HIGH); } else { digitalWrite(7, LOW); } delay(10); // Delay a little bit to improve simulation performance }by mohamed hashir.
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