The 12864B LCD display is based on the ST7920 controller which is quite a popular controller used for Arduino. This display works on SPI. It is easy to use and compatible with the majority of microcontrollers out there. You can do a lot of graphics stuff with this display. You can create frames and even make small animations. RoboticsBD
The 12864B Graphic LCD module is a 128 x 64 pixel LCD display with a blue backlight and white foreground. The display is fully programmable and can display a combination of both graphics and text. It can operate in both parallel and serial (SPI) modes which can be configured by the external pin PSB. In SPI mode only 3 data pins are required to drive this display. RoboticsBD
This 12864B LCD is a big, bold, beautiful blue LCD with white back-lit pixels. It is also well known for its wide use in 3D Printers, an extension accessory of RAMPS. If you want to add some visual output to your Arduino projects, you’ll need a display. This LCD display is best suited to the graphical upgrade to those popular 16×2 LCDs but allows full graphical control. RoboticsBD
In addition to writing text, this graphic 12864B LCD series allows the user to draw lines, circles, and boxes, set or redefine individual pixels, clear specific blocks of the display, backlight control, and adjustment of the baud rate. The LCD 12864b (128×64) Graphic Blue Color Backlight LCD Display module has its pins which are documented on the back of the LCD to assist in wiring it up. It is very easy to interface this LCD with the RAMPS controller of the 3D printer. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Pin Description:
| Pinout |
| Pin no. |
Function |
Name |
| 1 |
Ground (0 V) |
GND |
| 2 |
Supply voltage; 5V |
Vcc |
| 3 |
Contrast adjustment |
Vo |
| 4 |
High to display data; Low for instruction code |
Register select (RS) |
| 5 |
Low to write to the register; High to read from the register |
Read/Write (R/W) |
| 6 |
Reads data when high; Writes data at high to low transition (falling edge) |
Enable (E) |
| 7 |
8-bit data pins
|
DB0 |
| 8 |
DB1 |
| 9 |
DB2 |
| 10 |
DB3 |
| 11 |
DB4 |
| 12 |
DB5 |
| 13 |
DB6 |
| 14 |
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 |
Interfacing with Arduino:
Features:
- Blue background with 128 x 64 ‘monochrome’ white pixels
- Low power white LED back-light
- The LCD is driven by on-board 5V parallel interface chipset KS0108 and KS0107.
- PCB is 93mmx70mm (~ 3.66″ x 2.75″) and the viewing area is 71mmx39mm (2.8″ x 1.5″)
- They are extremely common and well documented
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| General Specification |
| 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 |
| Shipment Weight |
0.07 kg |
| Shipment Dimensions |
10 × 8 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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Package Includes:
1 x LCD Graphic 128x64 Display.
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