This project demonstrates how to display a basic message on a 16×2 LCD screen using I2C communication. It’s a straightforward introduction to working with text displays and microcontrollers.
Parts Required
- 1 x Microcontroller (e.g., Arduino Uno or similar)
- 1 x 16×2 LCD with I2C backpack
- Jumper wires
- USB cable for microcontroller
Assembly Instructions
- Power Connections:
Link the LCD’s VCC and GND pins to the 5V and GND pins on the microcontroller to provide power. - Data Interface (I2C):
Connect the SDA pin on the LCD to the microcontroller’s SDA line (typically A4 on an Arduino Uno). Connect the SCL pin to the corresponding SCL line (typically A5 on an Arduino Uno). - Final Steps:
Use a USB cable to connect the microcontroller to your computer. Upload the program. Once powered, the LCD will automatically display the message “Hello, world!”
This setup offers a clean and simple way to begin working with I2C displays in embedded projects.