Product description: LCD display 4×20 characters

Alphanumeric LCD display. It presents values in four lines, 20 characters in each. It is powered by 5 V. It is characterized by extremely simple operation and support for many microcontrollers. Characters are displayed on green or blue background.

Display pinout description

The alphanumeric display has 12 pins, which are not marked on the board. Each of them corresponds in turn to:

• 1 – VSS – system ground
• 2 – VDD – 5V power supply
• 3 – V0 – contrast
• 4 – RS – select 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 – backlight gND

• Type: alphanumeric LCD display
• LCD display 4 x 20 characters
• Character colour: black in green backlight
• Character colour: white in blue backlight
• Backlight: green or blue
• Hole spacing: 93 x 55 mm
• Supply voltage: 5 V
• Module dimensions: 98 x 60 mm

Display pinout description

The alphanumeric display has 12 pins, which are not marked on the board. Each of them corresponds in turn to:

• 1 – VSS – system ground
• 2 – VDD – 5V power supply
• 3 – V0 – contrast
• 4 – RS – select 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 – backlight system common ground