
12864B V2.0 Graphic Blue Color Backlight LCD Display Module
A versatile LCD display module with ST7920 controller for Arduino projects.
- Model: LCD12864
- Driver IC: ST7920
- Character Color: White
- Backlight: Blue
- Input Voltage (V): 5
- Number of Data lines: 8-bit Parallel
- Length (mm): 70
- Width (mm): 94
- Height (mm): 12
- Weight (gm): 65
Top Features:
- Blue background with 128 x 64 monochrome white pixels
- Low power white LED back-light
- Driven by on-board 5V parallel interface chip set ST7920 controller
- PCB is 93mmx70mm (~ 3.66 x 2.75)
The 12864B V2.0 is based on the ST7920 controller, making it compatible with Arduino and other microcontrollers. It supports graphics and text display, with the ability to create fonts of any size. This LCD module operates in both parallel and serial (SPI) modes, offering flexibility in usage. It is commonly used in 3D printers as an extension accessory for RAMPS controllers.
In addition to text display, this module allows users to draw lines, circles, and boxes, set individual pixels, and control the backlight. The pin descriptions are clearly documented on the back of the LCD for easy wiring. With a 10K contrast pot and a 36-pin 0.1 header, this module is easy to interface with various systems.
Pin Description:
- 1: Ground (0 V) - GND
- 2: Supply voltage; 5V - Vcc
- 3: Contrast adjustment - Vo
- 4: Register select (RS)
- 5: Read/Write (R/W)
- 6: Enable (E)
- 7-14: 8-bit data pins (DB0-DB7)
- 15: Interface Selection (0: serial mode; 1: 8/4-bit parallel bus mode) - PSB
- 16: Not in Use - NC
- 17: Reset signal; Active low - RST
- 18: Output voltage for LCD driving - Vout
- 19: Backlight VCC(5V) - BLA
- 20: Backlight Ground (0V) - BLK
* Images are for illustration only; actual product may vary.