If you want to add some visual output to your Arduino projects, you’ll need a display. If you need only a little to display, the LCD 20 x 4 Parallel LCD Display is a quite good solution.
This is an LCD 20 x 4 Parallel LCD Display that provides a simple and cost-effective solution for adding a 20 x 4 white on RGB Liquid Crystal Display into your project. The display is 20 character by 4 line display that has a very clear and high contrast white text upon a blue background/backlight.
This is the great yellow backlight LCD display. It is fantastic for Arduino-based projects. This LCD 20 x 4 Parallel LCD Display with Blue Backlight is very easy to interface with Arduino or Other Microcontrollers.
The values shown on the display can be either simple text or numerical values read by the sensors, such as temperature or pressure, or even the number of cycles that the Arduino is performing.