Discover How to Interface Ultrasonic Sensors with Arduino for Distance Measurement.

Mar 8, 2024Download as pptx, pdf

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Learn the basics of connecting an Ultrasonic Sensor to Arduino Uno for measuring distances accurately. Perfect for beginners looking to explore electronics projects. Full Tutorial -https://circuitdigest.com/microcontroller-projects/interface-arduino-with-ultrasonic-sensor

HOW TO INTERFACE ARDUINO WITH AN
ULTRASONIC SENSOR?
Source:

HCSR04 ULTRASONIC SENSOR PINOUT
Source:
The Ultrasonic Sensor has 4 pins:
- VCC, Trig, Echo and GND. The
Pinout explanation is given as
below
• HC-SR04 Ultrasonic Sensor
Pinout
• VCC - The supply pin of the HC-
SR04 Module.
• GND - This is the Ground pin of
the module
• Trig - This is the trigger pin of
the HC-SR04 module
• Echo - This is the echo pin of
the HC-SR04 sensor module.

WORKING PRINCIPLES OF
ULTRASONIC SENSOR
Source:
The ultrasonic sensor operates by emitting high-frequency sound waves and detecting their
reflections. It comprises a transducer, which both emits and receives ultrasonic waves,
along with signal processing circuitry to measure the time taken for the waves to travel and
return.

CIRCUIT CONNECTION OF
ULTRASONIC SENSOR
Source:
Connect the ultrasonic sensor's trig and echo pins to Arduino pins 4 and 5, respectively.
This configuration allows the Arduino to trigger the sensor and measure the time taken
for the echo pulse to return.

ULTRASONIC SENSOR AND LCD
DISPLAY
Source:
Arduino Code:
Initialize serial
communication, set up
trigger and echo pins,
measure echo pulse
duration, calculate
distance based on
sound speed, and
display on Serial
Monitor.
LCD Display Addition:
Connect I2C LCD
display to Arduino using
SDA, SCL, VCC, and
GND pins for real-time
distance display
alongside serial output.

WORKING OF ULTRASONIC
SENSOR WITH ARDUINO
Source:

THANK YOU!!
Source:
https://circuitdigest.com/microcontroller-projects/interface-arduino-with-
ultrasonic-sensor
Full Tutorial:

1. The document describes using an ultrasonic sensor with an Arduino board to measure distances of objects. 2. It explains that the ultrasonic sensor works by emitting ultrasound and measuring the reflection to calculate distance, and discusses the sensor's pinout and wiring diagram to connect it to an Arduino. 3. The objectives are to understand the ultrasonic sensor, wire it to an Arduino, write code to read distances, and demonstrate distance measurement of objects.

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To form the concept of an ultrasound sensor, skills and abilities to work with a robotic constructor and EV3 softwareAn ultrasonic sensor (also often called a sonar or ultrasonic rangefinder) determines the distance to an object in the same way as bats or dolphins do. It is based on the well-known phenomenon of echolocation. The HC-SR04 ultrasonic sensor emits sound pulses (ping) at a frequency of 40 kHz and catches the reflected signal (echo). The HC-SR04 sensor generates a highly directional signal at a frequency of 40 kHz and catches the reflected signal (echo). Based on the time it takes sound to travel to an object and back, you can quite accurately determine the distance to it

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The ultrasonic sensor transmits ultrasonic waves above 20 kHz and detects the reflected waves with a receiver to measure distance. The HC-SR04 module can measure distances from 2 to 400 cm with 5V power and works by sending a 10 microsecond trigger signal to initiate a transmission, then measuring the echo pulse width to calculate the distance. Ultrasonic sensors can be used to measure distance, level, presence and more without contact and have applications in obstacle detection robots, parking assistance systems and more.

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The ultrasonic sensor transmits ultrasonic waves above 20 kHz and detects the reflected waves with a receiver to measure distance. The HC-SR04 module can measure distances from 2 to 400 cm with 5V power and works by sending a 10 microsecond trigger signal to initiate transmission and measuring the echo pulse width to calculate distance. Ultrasonic sensors can be used to detect proximity, level, position and more without contact and are often used in applications like obstacle avoidance robots and parking assistance systems.

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Discover How to Interface Ultrasonic Sensors with Arduino for Distance Measurement.

1. HOW TO INTERFACE ARDUINO WITH AN ULTRASONIC SENSOR? Source:

2. HCSR04 ULTRASONIC SENSOR PINOUT Source: The Ultrasonic Sensor has 4 pins: - VCC, Trig, Echo and GND. The Pinout explanation is given as below • HC-SR04 Ultrasonic Sensor Pinout • VCC - The supply pin of the HC- SR04 Module. • GND - This is the Ground pin of the module • Trig - This is the trigger pin of the HC-SR04 module • Echo - This is the echo pin of the HC-SR04 sensor module.

3. WORKING PRINCIPLES OF ULTRASONIC SENSOR Source: The ultrasonic sensor operates by emitting high-frequency sound waves and detecting their reflections. It comprises a transducer, which both emits and receives ultrasonic waves, along with signal processing circuitry to measure the time taken for the waves to travel and return.

4. CIRCUIT CONNECTION OF ULTRASONIC SENSOR Source: Connect the ultrasonic sensor's trig and echo pins to Arduino pins 4 and 5, respectively. This configuration allows the Arduino to trigger the sensor and measure the time taken for the echo pulse to return.

5. ULTRASONIC SENSOR AND LCD DISPLAY Source: Arduino Code: Initialize serial communication, set up trigger and echo pins, measure echo pulse duration, calculate distance based on sound speed, and display on Serial Monitor. LCD Display Addition: Connect I2C LCD display to Arduino using SDA, SCL, VCC, and GND pins for real-time distance display alongside serial output.

6. WORKING OF ULTRASONIC SENSOR WITH ARDUINO Source:

7. THANK YOU!! Source: https://circuitdigest.com/microcontroller-projects/interface-arduino-with- ultrasonic-sensor Full Tutorial:

Discover How to Interface Ultrasonic Sensors with Arduino for Distance Measurement.

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