HC-SR04 Ultrasonic Sensor Holder Documentation

Component Name

HC-SR04 Ultrasonic Sensor Holder

Description

The HC-SR04 Ultrasonic Sensor Holder is a compact and versatile mounting solution designed to securely hold and position the HC-SR04 Ultrasonic Sensor, a popular and widely used distance measurement module in IoT and robotics applications. This holder provides a convenient and reliable way to integrate the sensor into a variety of projects, ensuring accurate and consistent readings.

Functionality

Securely hold the sensor: The holder keeps the HC-SR04 Ultrasonic Sensor in place, ensuring it remains stable and protected from mechanical stress, vibrations, or accidental damage.
Position the sensor: The holder allows for precise orientation and alignment of the sensor, enabling users to direct the ultrasonic waves towards the target area or object, ensuring accurate distance measurements.
Facilitate sensor installation: The holder simplifies the installation process, making it easier to integrate the sensor into a project or device, reducing the risk of damage or misalignment.

The HC-SR04 Ultrasonic Sensor Holder serves as a mechanical interface between the HC-SR04 Ultrasonic Sensor and the surrounding environment. Its primary function is to

Key Features

Compact design: The holder is designed to be compact and lightweight, making it ideal for use in space-constrained applications or projects where minimalism is essential.
Easy installation: The holder features a simple and intuitive design, allowing users to easily install and secure the HC-SR04 Ultrasonic Sensor.
Adjustable mounting options: The holder provides adjustable mounting options, enabling users to fine-tune the sensor's position and orientation to suit specific project requirements.
Robust construction: The holder is constructed from high-quality materials, ensuring durability and resistance to environmental factors such as dust, moisture, and minor impacts.
Compatibility: The holder is specifically designed for the HC-SR04 Ultrasonic Sensor, ensuring a secure and precise fit.
Versatility: The holder can be used in a wide range of applications, including robotics, automation, obstacle detection, and distance measurement projects.

Dimensions

The exact dimensions of the HC-SR04 Ultrasonic Sensor Holder may vary depending on the manufacturer or supplier. However, typical dimensions include

Length

20-25 mm

Width

15-20 mm

Height

10-15 mm

Materials

The holder is typically constructed from high-quality plastics, such as ABS or PC, ensuring durability and resistance to environmental factors.

Temperature

-20C to 70C

Humidity

0-90% RH (non-condensing)

Certifications and Compliance

The HC-SR04 Ultrasonic Sensor Holder may comply with relevant industry standards and regulations, such as RoHS, CE, and FCC. However, it is essential to verify compliance with specific manufacturers or suppliers.

By providing a secure and adjustable mounting solution, the HC-SR04 Ultrasonic Sensor Holder enables users to focus on developing innovative projects and applications, while ensuring accurate and reliable distance measurements.

Pin Configuration

HC-SR04 Ultrasonic Sensor Holder Pinout Explanation
The HC-SR04 Ultrasonic Sensor Holder is a popular component in IoT projects, providing accurate distance measurements. Here's a detailed explanation of each pin and how to connect them:
Pinout Structure:
The HC-SR04 Ultrasonic Sensor Holder has a 4-pin interface:
VCC (Pin 1):
+ Function: Power supply pin
+ Description: Connect to a 5V power source (typically from a microcontroller or a voltage regulator)
+ Notes: Ensure a stable 5V supply to the sensor for accurate performance
Trig (Pin 2):
+ Function: Trigger input pin
+ Description: Connect to a digital output pin of a microcontroller (e.g., Arduino, Raspberry Pi)
+ Notes: When the Trig pin is set high (5V), the sensor sends out an ultrasonic pulse and starts measuring the distance
Echo (Pin 3):
+ Function: Echo output pin
+ Description: Connect to a digital input pin of a microcontroller (e.g., Arduino, Raspberry Pi)
+ Notes: The Echo pin outputs a pulse signal whose width is proportional to the distance measured by the sensor
GND (Pin 4):
+ Function: Ground pin
+ Description: Connect to the ground pin of the power source (typically from a microcontroller or a voltage regulator)
+ Notes: Ensure a solid ground connection for proper sensor operation
Connection Structure:
To connect the HC-SR04 Ultrasonic Sensor Holder to a microcontroller (e.g., Arduino), follow this structure:
1. Connect VCC (Pin 1) to 5V power source
2. Connect Trig (Pin 2) to a digital output pin of the microcontroller (e.g., Arduino's Digital Pin 2)
3. Connect Echo (Pin 3) to a digital input pin of the microcontroller (e.g., Arduino's Digital Pin 3)
4. Connect GND (Pin 4) to the ground pin of the power source (e.g., Arduino's GND pin)
Example Connection Diagram:
Here's a simplified connection diagram using an Arduino Uno as an example:
HC-SR04 Ultrasonic Sensor Holder | Arduino Uno
-------------------------------- | ------------
VCC (Pin 1) | 5V
Trig (Pin 2) | Digital Pin 2
Echo (Pin 3) | Digital Pin 3
GND (Pin 4) | GND
Remember to write the necessary code to trigger the sensor, read the echo signal, and calculate the distance using the pulse width.

Code Examples

HC-SR04 Ultrasonic Sensor Holder Documentation

Overview

The HC-SR04 Ultrasonic Sensor Holder is a module designed to hold the HC-SR04 ultrasonic sensor, a popular distance measurement device used in robotics, automation, and IoT projects. The holder provides a convenient and secure way to mount the sensor, ensuring accurate and reliable distance measurements.

Technical Specifications

Compatible with HC-SR04 ultrasonic sensor
 Operating voltage: 5V
 Distance measurement range: 2 cm to 400 cm
 Accuracy: 1 cm
 Mounting type: Through-hole or breadboard friendly

Pinning

The HC-SR04 Ultrasonic Sensor Holder has four pins:

VCC: Power supply (5V)
 GND: Ground
 Trig: Trigger pin (input)
 Echo: Echo pin (output)

Code Examples

### Example 1: Basic Distance Measurement using Arduino

This example demonstrates how to use the HC-SR04 Ultrasonic Sensor Holder with an Arduino board to measure the distance from the sensor to an object.

```c++
const int trigPin = 2;  // Trigger pin
const int echoPin = 3;  // Echo pin

void setup() {
  Serial.begin(9600);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}

void loop() {
  int distance = measureDistance();
  Serial.print("Distance: ");
  Serial.print(distance);
  Serial.println(" cm");
  delay(50);
}

int measureDistance() {
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  int duration = pulseIn(echoPin, HIGH);
  int distance = duration  0.034 / 2;
  return distance;
}
```

### Example 2: Object Detection using Raspberry Pi (Python)

This example demonstrates how to use the HC-SR04 Ultrasonic Sensor Holder with a Raspberry Pi to detect objects within a certain range.

```python
import RPi.GPIO as GPIO
import time

GPIO.setmode(GPIO.BCM)

trigPin = 17  # Trigger pin
echoPin = 23  # Echo pin

GPIO.setup(trigPin, GPIO.OUT)
GPIO.setup(echoPin, GPIO.IN)

def measure_distance():
    GPIO.output(trigPin, False)
    time.sleep(0.1)
    GPIO.output(trigPin, True)
    time.sleep(0.00001)
    GPIO.output(trigPin, False)
    start_time = time.time()
    while GPIO.input(echoPin) == 0:
        start_time = time.time()
    while GPIO.input(echoPin) == 1:
        end_time = time.time()
    duration = end_time - start_time
    distance = duration  17000
    return distance

while True:
    distance = measure_distance()
    if distance < 20:  # Object detected within 20 cm
        print("Object detected!")
    else:
        print("No object detected.")
    time.sleep(0.5)
```

Note: These examples are provided as a starting point and may require modifications to fit your specific use case and project requirements.