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1Pc 2004A 20x4 LCD Display Module J204A 5V Yellow-Green Character Screen
- 20×4 Character LCD Display Module: This 2004A / J204A LCD module provides a 20-column by 4-row character display, offering more display space than standard 16×2 LCD modules. It is suitable for menus, sensor readings, device status, counters, time display, and project debugging information.; 5V LCD/LCM with LED Backlight: The module operates with a 5V VDD power supply and is equipped with an LED backlight for improved readability. The yellow-green or blue screen display style makes it suitable for control panels, instruments, embedded systems, and DIY electronics.; 4-Bit or 8-Bit Parallel MCU Interface: This character LCD supports both 8-bit and 4-bit parallel communication modes. The 8-bit mode provides straightforward data transfer, while the 4-bit mode helps reduce microcontroller I/O pin usage for Arduino, 51 MCU, AVR, STM32, PIC, and similar platforms.; Useful Display Functions: The LCD module supports common character display functions such as cursor display, screen scrolling, custom characters, and sleep mode. These features make it convenient for building simple user interfaces and interactive embedded display systems.; 6 O'clock Viewing Angle: The module offers stable character display and low power consumption. The 6 O'clockdirect viewing angle is suitable for front-panel installation in meters, control boxes, teaching equipment, and electronic project enclosures.
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2004A LCD Screen J204A Character Display LCD Module, 20×4 5V LCD/LCM Display with LED Backlight, Yellow-Green Screen, 4-Bit / 8-Bit Parallel MCU Interface
Product
Screen Display Format: 20 characters × 4 lines
Power Supply: VDD 5V
Display Color: Yellow-Green
LCD Type: STN
Viewing Angle: Direct view at 6:00 o'clock
MCU Interface: 8-bit or 4-bit parallel interface
Backlight: LED backlight
Typical Applications: Microcontroller display, instrument panel, control interface, DIY electronics
Pin Definition Pin 1: Vss
Pin 2: Vdd
Pin 3: Vo
Pin 4: RS
Pin 5: R/W
Pin 6: E
Pin 7Pin 14: DB0DB7
Pin 15: A
Pin 16: K
Product
Specifications
Product Name: 2004A LCDScreen Display Format: 20 characters × 4 lines
Power Supply: VDD 5V
Display Color: Yellow-Green
LCD Type: STN
Viewing Angle: Direct view at 6:00 o'clock
MCU Interface: 8-bit or 4-bit parallel interface
Backlight: LED backlight
Typical Applications: Microcontroller display, instrument panel, control interface, DIY electronics
Pin Definition Pin 1: Vss
Pin 2: Vdd
Pin 3: Vo
Pin 4: RS
Pin 5: R/W
Pin 6: E
Pin 7Pin 14: DB0DB7
Pin 15: A
Pin 16: K
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by NovaStar Tech Return Policy
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