spi lcd module lcd12864 in stock

This LCD module uses a 128x64 liquid crystal display that support Chinese character , English characters and even graphics. It can exhibit 4 lines and 12 English characters/6 Chinese characters per line. It is suitable for interactive work with Arduino.

The following sample is working under SPI mode. It demonstrates how to display integers on the LCD scrren. You will need the Arduino Library which can be downloaded here.

The number of  UNO or mega2560 IO above ports are limited. We often need a lot of IO resources when do some complex experiments. On a blog we use the LCD12864 parallel communication interface which  occupies a lot of IO resources. In order to save the UNO and mega2560 the IO resources, Adeept uses a SPI communication

Hi, this is Danae He from Genyu China, which has focused on the micro LCD panel for 20 years. Whatever you need we"ll be able to meet it, such as the followings:

ST7920 is a so-called LCD which stands for Liquid Crystal Display. This screen is made up of segments that can be turned on or off. These segments are placed as an "8" in some screens like a digital clock, in others as pixels.

With LCD it looks like the boxes can become black. Technically this is not true. The light is transmitted differently making it appear black. More details on Wikipedia

The next step is to provide 5V to the LCD. To do this, we use the "Vcc" and "GND" pins on the far right of the display. Connect these to the + rail and- rail on the breadboard.

Now we have to tell the display how we are going to provide the data. We are going to use the SPI (Serial Peripheral Interface) protocol. The name already reaveals it a bit, the data is serial. With the PSB pin we can set the data transfer mode.

Depending on the vendor you may find boards using an ST7920 IC Driver or a ST7565 IC Driver. Boards using a DOG-M128 Display use a ST7565 IC Driver. The more common and generic boards use some flavor of a 12864 LCD with the ST7920, this is the case with most board you find in online stores.

This display board is supported by the most popular 3D Printer firmwares, yet differences in the LCD Drivers used and others may dictate the level of support in a given 3D printer mainboard and firmware combination. See connection for more details.

The original design supports the 8bit Parallel interface and a 4bit serial interface. Many clones or variants only support the serial (SPI) interface.

Depending on the vendor you may find boards using an ST7920 IC Driver, a ST7565 IC Driver, or other. Boards using a DOG-M128 Display use a ST7565 IC Driver. The more common and generic boards use some flavor of a 12864 LCD with the ST7920, this is the case with most boards you find in online stores.

Clones and other manufactures may provide different connections, in particular models without SD-Card or models supporting only the SPI/Serial interface (most common)

The basic requirement to add support in the Marlin Firmware is to enable the REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER in the "Configuration.h”. For more details check Marlin"s page on how to configure the firmware, see the LCD section.

The firmware also offers other define constants for some popular variants of the "RepRapDiscount Full Graphic Smart Controller", that may use another driver or has a different PIN/layout or other requirement. Look at options under the the "LCD / Controller Selection" sections in the "Configuration.h” file.

To enable the correct LCD in the firmware it is important that you identify if your version of a "Smart Controller" is indeed using the ST7920 driver or if it has a different pin requirement. If that is your situation, then you need to see if the firmware already has support for your version of "Smart Controller" and select it accordingly.

Another important aspect of compatibility is dictated by your printers mainboard it self. If you board has a dedicated LCD connector you have to check at minimum two things:

For example a connection that shares the SPI with the an ST7920 LCD will not work and will produce garbage on the LCD. (The ST7920 can not share an SPI/Serial interface).

This is a framed type LCD graphical 128x64 with LED backlight. ST7920 controller type LCD with a simple command interface. This display utilizes the unofficial 12..

This is a thin, extremely low-power 128x64 graphic LCD display. An integrated white EL backlight easily illuminates the display in low-light conditions. This display is perfectly suited for hand-held or any application requiring low power consumption or a very thin display. It has an integrated controller. The FFC is designed for inexpensive mass-production, with no need for a mating connector as the module and backlight connections solder directly to your PCB.