Project 2 - Measuring the distance of an object using ultrasonic sensor and also smoothen the sensor data using moving average filter
Solution no .1
#includeLiquidCrystal lcd = LiquidCrystal(10,9,8,7,6,5); // Create an LCD object. Parameters: (RS, E, D4, D5, D6, D7): const int trigPin = 12; const int echoPin = 11; float time, distance; void setup() { lcd.begin(16, 2); // Specify the LCD's number of columns and rows. Change to (20, 4) for a 20x4 LCD pinMode(trigPin, OUTPUT); pinMode(echoPin, INPUT); Serial.begin(9600); } void loop() { digitalWrite(trigPin, LOW); delayMicroseconds(2); digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW); time = pulseIn(echoPin, HIGH); distance = (time*.0343)/2; // For Serial Monitor Serial.print("Distance:CM "); Serial.println(distance); // For LCD Display lcd.setCursor(0,0); lcd.print("Distance in CM"); lcd.setCursor(0,1); lcd.print(distance); }
