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This is a basic 20 character by 4 line display or 20×4. Interface code is freely available. You will need ~11 general I/O pins to interface to this LCD screen. Includes LED backlight.

If you want to add some visual output to your Arduino projects, you’ll need a display. If you need moderate data on display, the LCD2004 Parallel LCD Display is a quite good solution for the Arduino projects.

This is an industry-standard JHD629-204A based controlled 4 lines x 20 characters LCD display with Black characters on Green background. It is a parallel interface so you will need 7 pins for 4-bit mode or 11 pins for 8-bit mode to interface to this LCD screen.

Features and Specifications:

  • Wide viewing angle and high contrast.
  • Industry-standard JHD629-204A equivalent LCD controller built-in.
  • +5V DC supply with 33 Ohm resistor LED backlight.
  • Supported 4 or 8-bit parallel interface.
  • Display 4-line X 20-character.
  • Operate with 5V DC.=
  • Interface with 16 pins male header Connector.
  • 20 characters wide, 4 rows
  • Black text on the yellow background
  • The module can easily interface with an MCU
  • The module is a low-power consumption character LCD Module with a built-in controller
  • Single LED backlight included can be dimmed easily with a resistor or PWM.
  • Can be fully controlled with only 6 digital lines! (Any analog/digital pins can be used)


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