In this video, I’ll show you how to connect and use a 16x2 I2C LCD display with an Arduino. This method saves you valuable pins on your Arduino by using the I2C protocol. I’ll walk you through the wiring, the code, and how to display custom messages.
What you’ll learn:
• How to connect an I2C LCD to Arduino
• Which library to use (LiquidCrystal_I2C)
• How to display text on the screen
• Basic troubleshooting tips
Parts Used:
• Arduino Uno (or any compatible board)
• 16x2 I2C LCD Display
• Jumper wires
• Breadboard (optional)
Code & Library:
Download the LiquidCrystal_I2C library from the Library Manager in Arduino IDE.
Code is provided in the video and linked below (or in comments).
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