Page 109 - KEC Khaitan C8.2 Flipbook
P. 109
long duration = pulseIn(ECHO, HIGH);
int distance = duration * 0.034 / 2;
Serial.print(“Distance: “);
Serial.print(distance);
Serial.println(“ cm”);
delay(500);
}
Steps to Upload the Code:
Step 1 Open Arduino IDE.
Step 2 Copy and paste the above code.
Step 3 Connect the Arduino Uno to your computer via USB.
Step 4 Click Upload and open the Serial Monitor to view distance measurements.
Introduction to Piezo Buzzer For Feedback
What Is a Piezo Buzzer?
A piezo buzzer is a small speaker that generates sound using piezoelectric vibrations.
Applications:
o Alarm systems
o Notifications in electronic devices
o Reverse parking assistance
Connecting the Piezo Buzzer to Arduino
Wiring Guide:
Piezo Buzzer
Pin Arduino Pin
+ (Positive) Pin 8
- (Negative) GND
Fundamentals of Sensors & Data 107

