Description : The LCD 2004A 20×4 blue color display is commonly used in embedded projects and various electronic devices. This display is 20 character by 4 line has a very clear and high contrast text upon a blue backlight, which is bigger than the 16x2 LCD display but the programming is almost same..
I2C Interface 1602 2004 LCD Adapter Plate for Arduino has PCF8574 I2C chip that converts I2C serial data to parallell data for the LCD display. It can be connected to a standard HD44780 compatible 16x2 or 20x4 Character Display Module that supports 4 bit mode. In general, LCD connection with A..