https://github.com/sabbir45ali/distance_measurement

This is easy project, which is make for distance measurement using arduino UNO and HC-05 ultrasonic sensor.
https://github.com/sabbir45ali/distance_measurement

arduino cpp electronics iot

Last synced: about 9 hours ago
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This is easy project, which is make for distance measurement using arduino UNO and HC-05 ultrasonic sensor.

• Host: GitHub
• URL: https://github.com/sabbir45ali/distance_measurement
• Owner: Sabbir45ali
• License: mit
• Created: 2024-05-28T11:53:38.000Z (5 months ago)
• Default Branch: main
• Last Pushed: 2024-06-02T10:38:20.000Z (5 months ago)
• Last Synced: 2024-06-02T11:47:36.463Z (5 months ago)
• Topics: arduino, cpp, electronics, iot
• Language: C++
• Homepage:
• Size: 9.77 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE
  • Security: SECURITY.md

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README

        
# Arduino Distance Measurement System

This project uses an Arduino Uno,NodeMCU ESP8266 an HC-SR04 ultrasonic sensor, and a 16x2 LCD display to measure distances and display the results.

## Components Needed

- Arduino Uno

- HC-SR04 Ultrasonic Sensor

- 16x2 LCD Display

- Breadboard and Jumper Wires

- 10kΩ Potentiometer (for LCD contrast adjustment)

## Circuit Connections

### HC-SR04 Ultrasonic Sensor

- **VCC** to **5V** on Arduino

- **GND** to **GND** on Arduino

- **Trig** to **Digital Pin 9** on Arduino

- **Echo** to **Digital Pin 10** on Arduino

### 16x2 LCD Display

- **VSS** to **GND**

- **VDD** to **5V**

- **V0** to center pin of the potentiometer (other two pins of the potentiometer to 5V and GND)

- **RS** to **Digital Pin 7** on Arduino

- **RW** to **GND**

- **E** to **Digital Pin 6** on Arduino

- **D4** to **Digital Pin 5** on Arduino

- **D5** to **Digital Pin 4** on Arduino

- **D6** to **Digital Pin 3** on Arduino

- **D7** to **Digital Pin 2** on Arduino

- **A (Anode)** to **5V** through a 220Ω resistor

- **K (Cathode)** to **GND**

## Code Explanation

### Library Initialization

The `LiquidCrystal` library is used to control the LCD. The following line initializes the LCD with the appropriate pins connected to the Arduino:

```cpp

LiquidCrystal lcd(7, 6, 5, 4, 3, 2);

```

**Clone the Repository**:

   ```sh

   git clone https://github.com/Sabbir45ali/Distance_measurement