Hardware Connections: Clear instructions on how to physically connect the I2C LCD to your Arduino. Code Configuration: Explanation of key variables and settings in the Arduino sketch for customization ...

Connect the I2C Module to the Arduino: SCL of module to A5 of Arduino SDA of module to A4 of Arduino VCC of module to +5V of Arduino GND of module to GND of Arduino Adjust the brightness using the ...

You can use them with LCD modules that have a HD44780 compatible interface with various screen sizes by attaching to the back of the LCD module. This allows connection to your Arduino (or other ...