2.42" oled

  • 2.42 SPI oled display module 128x64 MLD242-12864D
2.42 SPI oled display module 128x64 MLD242-12864D

2.42 SPI oled display module 128x64 MLD242-12864D

  • 2.42 inch spi oled display module
  • 128x64 pixels oled display
  • wide temperature oled display
  • SSD1309 driver oled panel
  • Product description: Mono graphic 2.42 inch oled display module, it is 128x64 resolution oled screen. 2.42'' mono oled has yellow/white color available, SSD1305 and SSD1309 driver IC, SPI/I2C interface. supper wide temper
  • INQUIRY

2.42 inch SPI / I2C oled display module introduction:

It is 2.42inch 128x64 pixels is mono oled display module, it is SPI interface with 9 pins connectionbuilt in font chip.

The 2.42 inch monochrome oled display, is a graphic passive matrix oled display, it have 128x64 dots, wide viewing angle, wide temperature, high brightness, high contrast, fast response time.

Mono graphic OLED display module screen-2.42inch oled screen:

2.42’’ 128x64 OLED lcd display module could be displayed in wide temperature, its working temperature could be reached to -40 degree, and 80 degree.

2.42 inch OLED screen 128x64 dots is the best display solution in the outdoor display, such as sunlight environment, and also for industrial or medical application that need the wide viewing angle and high brightness display.


2.42" SPI  oled display module key parameters:

Display mode:

Monochrome OLED display

Diagonal Size

2.42“ OLED ( diagonal)

Display Format

128x64 Dots

Display module size

72.0x43.0mm

Active area

55.01x27.49mm

Driver IC

SSD1309

Interface

SPI interface

Color

White/Yellow/Blue/Green

Drawing:

Pin Connection:

PIN No.  Symbol  Description
1  GND  Ground
2  VCC  Power input 3.3V
3  SCL  SPI clock
4  SDA  SPI data
5  RES  OLED reset
6  DC  command/data select
7  CS  Chip select, low enable
8  FSO  Font chip data output, low enable / NC
9  CS2  Font chip select, low enable /NC

2.42

SPI OLED display module 2.42" initialized code:

Void OLED_Init(void)

{//OLED reset

OLED_RES_Clr();//RES to 0

delay_ms(200);// delay 200ms

OLED_RES_Set();//RES to 1

//OLED initial

OLED_WR_Byte(0xFD,OLED_CMD);

OLED_WR_Byte(0x12,OLED_CMD);

OLED_WR_Byte(0xAE,OLED_CMD);//--turn off oled panel

OLED_WR_Byte(0xd5,OLED_CMD);//--set display clock divide ratio/oscillator frequency

OLED_WR_Byte(0xA0,OLED_CMD);

OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1to64)

OLED_WR_Byte(0x3f,OLED_CMD);//--1/64duty

OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset Shift Mapping RAM Counter(0x00~0x3F)

OLED_WR_Byte(0x00,OLED_CMD);//-not offset

OLED_WR_Byte(0x40,OLED_CMD);//--set start line address Set Mapping RAM Display Start Line(0x00~0x3F)

OLED_WR_Byte(0xA1,OLED_CMD);//--Set SEG/Column Mapping 0xa0 right left exchange 0xa1 normal

OLED_WR_Byte(0xC8,OLED_CMD);//Set COM/Row Scan Direction 0xc0 upside down 0xc8 normal OLED_WR_Byte(0xDA,OLED_CMD);//--set com pins hardware configuration

OLED_WR_Byte(0x12,OLED_CMD);

OLED_WR_Byte(0x81,OLED_CMD);//--set contrast control register

OLED_WR_Byte(0x7F,OLED_CMD);//Set SEG Output Current Brightness

OLED_WR_Byte(0xD9,OLED_CMD);//--setpre-chargeperiod

OLED_WR_Byte(0x82,OLED_CMD);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock

OLED_WR_Byte(0xDB,OLED_CMD);//--set vcomh

OLED_WR_Byte(0x34,OLED_CMD);//Set VCOM Deselect Level

OLED_WR_Byte(0xA4,OLED_CMD);//Disable Entire Display On(0xa4/0xa5)

OLED_WR_Byte(0xA6,OLED_CMD);//Disable Inverse Display On(0xa6/a7)

OLED_Clear();

OLED_WR_Byte(0xAF,OLED_CMD);

}

#defineOLED_CMD0//write command

#defineOLED_DATA1//write data

voidOLED_WR_Byte(u8dat,u8cmd)

{u8i;

if(cmd)

OLED_DC_Set();

Else

OLED_DC_Clr();

OLED_CS_Clr();

for(i=0;i<8;i++)

{

OLED_SCL_Clr();

if(dat&0x80)

OLED_SDA_Set();

elseOLED_SDA_Clr();

OLED_SCL_Set();

dat<<=1;

}

OLED_CS_Set();

OLED_DC_Set();

}


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