4 line, 20 positions alphanumeric Standard LCD 20x4 with HD44780 (or compatible) display controller and the standard 4/8 bit parallel interface. The optional available I2C interface fits right on the back of the display and turns its interface from parallel to simple 2-wire I2C (perfect for microcontrollers like Arduino to save on I/O ports).

Please click HERE to order the optional I2C interface module.

Standard LCD 20x4 (2004A) green LCD character display with bright yellow LED backlight, high contrast, and optional serial interface (I2C, SDA/SCL) for microcontrollers. The display needs a 5V power supply for operation. With the I2C interface installed on the backside of the Standard LCD 20x4, the backlight can be controlled by software as well. Many different libraries for different programming languages and controller families are available, also countless examples.