Original JHD 20x4 Character LCD Display
A 20x4 LCD display is a basic module that is commonly used in various devices and circuits. It is preferred over seven-segment and other multi-segment LEDs because it is economical, easily programmable, and can display special and custom characters, animations, and so on.
A 204 LCD can display 20 characters per line, and there are 4 lines. Each character is displayed in a 5x7 pixel matrix. The LCD has two registers: the command register and the data register.
The command register is used to control the LCD, such as setting the cursor position, clearing the display, and turning on the backlight. The data register is used to send data to be displayed on the LCD, such as text, numbers, and images.
Advantages of using a 20x4 LCD display:
- Economical: LCDs are relatively inexpensive to purchase and use.
- Easily programmable: LCDs are easy to interface with microcontrollers and other devices.
- Versatile: LCDs can be used to display a wide variety of information, including text, numbers, images, and animations.
If you are looking for a versatile and easy-to-use display, a 20x4 LCD is a great option
Features
- 20 characters wide and 4 rows
- Black text on a green background
- Easily interfaces with a microcontroller
- Low-power consumption
