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### 1. Post Title: **Basic LCD Display Tutorial: Get Started with Arduino Uno** ### 2. Introduction: Arduino is a great platform to learn the basics of electronics and IoT. Today we will control a simple LCD display using Arduino Uno. Through this project, you will learn how to control various devices with Arduino and display text on LCD. #Arduino #LCD #Basic #Electronics #Tutorial ### 3. Required Materials: - Arduino Uno - 16x2 LCD Display - Potentiometer (10k) - Breadboard - Jumper Wires ### 4. Pin Connections: - **LCD RS** Pin → Arduino **Pin 12** - **LCD Enable** Pin → Arduino **Pin 11** - **LCD D4** Pin → Arduino **Pin 5** - **LCD D5** Pin → Arduino **Pin 4** - **LCD D6** Pin → Arduino **Pin 3** - **LCD D7** Pin → Arduino **Pin 2** - **LCD VSS** Pin → **Ground** - **LCD VDD** Pin → **5V** - **LCD Vo** Pin → **Potentiometer's Middle Pin** - **LCD A** Pin → **5V** - **LCD K** Pin → **Ground** ### 5. Warning: - Turn off the power of Arduino before making all the connections. - Adjust the contrast of LCD with the potentiometer, otherwise nothing will be visible. - If the pin connection is wrong, the LCD may not work. ### 6. Programming code: ```cpp #include <LiquidCrystal.h> LiquidCrystal lcd(12, 11, 5, 4, 3, 2); void setup() { lcd.begin(16, 2); lcd.print("Hello, world!"); } void loop() { lcd.setCursor(0, 1); lcd.print(millis() / 1000); } ``` ### 7. Procedure: 1. Ensure that the pin connections between Arduino and LCD are adequate. 2. Use the potentiometer to adjust the contrast. 3. Upload the code to Arduino. 4. The first line of the LCD will display `Hello, world!` and the second line will show the time (in seconds). ### 8. Conclusion: Through this project, you learned how to control an LCD display with Arduino. This will help you understand the basic concepts of Arduino and electronics. You can do more complex projects in the future. #LearnElectronics #ArduinoProjects #DIY ### 9. How to use: 1. First, connect the components properly. 2. Copy and paste the code in the Arduino IDE and upload it. 3. See the text and seconds on the LCD display. 4. If you want to customize the project, make changes to the code. #Customize #Arduino #LCD