128 x 64 lcd display arduino for sale

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This 0.96 inch OLED display has 128x64 resolution, three kind of light color, blue light white light and blue/yellow light.The display with small dimension, very suitable for smart watches, function cellphones, smart health devices.The Connections from the Display:VCC to external 5v

Arduino is connected to the computer via an USB cable. The USB powers the arduinoSpecification:High resolution 128x64, this OLED screen have more pixels per unit area than other 12864screen.

At the bottom of this page you"ll find the course material button. This button allows you to download the code, circuit diagram and other files relevant to this Arduino tutorial.

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 U8g2 library is specially made to easily control monochrome displays in an universal way. U8g2 allows you to draw graphic elements such as lines, rectangles, circles on the screen. Text is also no problem.

An overview of all available functions can be found on the U8g2 reference page. Currently U8g2 supports over 200 different displays. The big advantage is that you don"t have to find out how to control each individual display.

breadboard. If you put the display into the breadboard you"ll see that the pin labels are no longer visible. To solve this I"ve created a pin overlay. Print this PDF and cut out the overlay. You can now place this exactly at the bottom of your display and see the pin labels again.

We start by supplying the breadboard with 5V on the + rail (red) andGND on the - rail (blue). For this we connect the "5V" on the :KnSgtg:Arduino:: to the breadboard. We do the same for the GND.

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.

If we make the PSB pin high, the display expects parallel data, withLOW serial. In our case we have to make the PSB pin LOW by connecting it to the - rail.

The last step is to connect the CS (chip select) wire. On the display it is labeled RS which stands for Register Select and it will be connected to pin 10 on the Arduino.

1 //U8G2_ST7920_128X64_1_8080 u8g2(U8G2_R0, 8, 9, 10, 11, 4, 5, 6, 7, /*enable=*/ 18 /* A4 */, /*cs=*/ U8X8_PIN_NONE, /*dc/rs=*/ 17 /* A3 */, /*reset=*/ 15 /* A1 */);

Now our program is ready to upload to the Arduino. First we have to connect our Arduino to the computer with the USB cable. Make sure you"ve selected the correct board in the IDE:

Do what? If you just want to display something static until power is switched of, then put all your init and display code into "setup()". But for my own applications it is more like this:

First, i think you understood the concept of communication with the display controller. The code looks quite good regarding the setting of the command/data and the chip select line.

The controller actually has 132x65 dots, but the liquid crystal only has 128x64. Which line and which colums are invisible? This is a decision that was taken by company 3 during the wiring of the two subcomponents.

This means: If company 3 does not provide you enough information, then you have to set some pixel on the screen do some reverse engineering how the interconnection between controller and crystal.

uint8_t width;            // max character width in pixels (the font table contains this number of bytes or words per character, plus 1 for the active width)

// Flush the display buffer to the display. In graphics mode, calls to write, setPixel, line and circle will not be committed to the display until this is called.