Interfacing a 16×2 LCD with Raspberry Pi

Hitachi HD44780 based 16×2 character LCD are very cheap and widely available, and is a essential part for any  projects that displays information. Using the I2C bus on Raspberry Pi ,PCF8574 IC, and Python characters/strings can be displayed on the LCD. The PCF8574 is an general purpose bidirectional 8 bit I/O port expander that uses the …

Interfacing a 16×2 LCD with Raspberry Pi Read More »