Read more about the I2C protocol here I2C protocol. The I2C protocol consists of two signal lines: SDA and SCL. The SCL signal is a clock signal generated by the Master, while the SDA signal is used ...

The most difference to the original LiquidCrystal library from Arduino is that this library supports printf() functionality. When using PlatformIO and AVR, to support float you must add following line ...

An LCD can be made to connect to a microcontroller using two wires with the aid of the I2C interface which includes pins for an SPI interface version for flexibility. The I2C LCD interface is used ...