Product description: LCD display 4x20 characters blue - justPi
This alphanumeric LCD display from justPi displays values on four lines, each with 20 characters . It is powered by 5V and is exceptionally easy to use. It can be used with many microcontrollers, especially Arduino. Characters are displayed on a blue background. The module also has soldered connectors. The driver is HD44780 compatible.
Display pins
The alphanumeric display has 12 pins that are unmarked on the board. Each pin corresponds to:
- 1 - VSS - system ground
- 2 - VDD - 5V power supply
- 3 - V0 - contrast
- 4 - RS - selection of display instruction register (low state) or data register (high state)
- 5 - R/W - read (low state) / write (high state)
- 6 - E - unlocking the display
- 7...14 - DB0...DB7 - data bus
- 15 - LEDA - backlight power supply 5 V
- 16 - LEDK - ground of the backlight system
Arduino compatible product
The standard set of libraries and sample programs downloaded with the Arduino IDE includes the LiquidCrystal library, which allows you to operate the presented display.
Display technical specifications
- Type: LCD alphanumeric display
- LCD display 4 x 20 characters
- Character color: white
- Backlight: blue
- Hole spacing: 93 x 55 mm
- Supply voltage: 5 V
- Module dimensions: 98 x 60 mm
Useful links |

