Assume that you are moving towards a complex microcontroller project bundled with blinkers, beepers, and a display panel. To link a standard 16×2 LCD directly with the microcontroller, for instance ...

LiquidCrystal_I2C is an independent implementation designed to provide a simple and reusable interface for HD44780-compatible character LCD displays connected through a PCF8574 I²C I/O expander. This ...