Published February 16, 2019

How to Use an OLED Screen (128 per 64)

This project will show you how to use an OLED screen (128 per 64).

BeginnerProtip1 hour3,131

Things used in this project

Hardware components

Arduino UNO

Male/Female Jumper Wires

OLED screen 128per64 0,96"

Software apps and online services

Arduino IDE

Story

Operation and uses

An organic light-emitting diode ( OLED ) is a light-emitting diode (LED) in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current.

This organic layer is situated between two électrodes ; typically, at least one of these electrodes is transparent.

OLEDs are used to create digital displays in devices such as television screens, computer monitors, portable systems such as smartphones, handheld game consoles and PDAs. A major area of research is the development of white OLED devices for use in solid-state lighting applications. ( source : Wikipédia )

We have two programs to control this screen :

The first where we can display a text
The second where we can display geometric figures

Connections ( first program ):

Arduino --> Screen

3.3V --> VCC

GND --> GND

SDA --> SDA

SCL --> SCL

Connections ( second program ):

3.3V --> 3.3V

GND --> GND

SCL --> A5

SDA --> A4

The code

You must download Library before sending the code in the Arduino card :

- First program

U8glib; ArduinoIDE/sketch/ManageLibrary/filteryoursearch : U8glib

- Second program

Adafruit_SSD1306; https://github.com/adafruit/Adafruit_SSD1306

Adafruit_GFX; https://github.com/adafruit/Adafruit-GFX-Library/archive/master.zip

#include "U8glib.h"
U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NO_ACK);  
 
void draw(void) {
  u8g.setFont(u8g_font_unifont);
  u8g.drawStr( 0, 22, "Text Here");
}
 
void setup(void) {
  
  if ( u8g.getMode() == U8G_MODE_R3G3B2 ) {
    u8g.setColorIndex(255);    
  }
  else if ( u8g.getMode() == U8G_MODE_GRAY2BIT ) {
    u8g.setColorIndex(3);        
  }
  else if ( u8g.getMode() == U8G_MODE_BW ) {
    u8g.setColorIndex(1);        
  }
  else if ( u8g.getMode() == U8G_MODE_HICOLOR ) {
    u8g.setHiColorByRGB(255,255,255);
  }
}
 
void loop(void) {
 
  u8g.firstPage();  
  do {
    draw();
  } while( u8g.nextPage() );
  delay(50);
}

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);

#define NUMFLAKES 10
#define XPOS 0
#define YPOS 1
#define DELTAY 2


#define LOGO16_GLCD_HEIGHT 16 
#define LOGO16_GLCD_WIDTH  16 
// Logo Adafruit
static const unsigned char PROGMEM logo16_glcd_bmp[] =
{ B00000000, B11000000,
  B00000001, B11000000,
  B00000001, B11000000,
  B00000011, B11100000,
  B11110011, B11100000,
  B11111110, B11111000,
  B01111110, B11111111,
  B00110011, B10011111,
  B00011111, B11111100,
  B00001101, B01110000,
  B00011011, B10100000,
  B00111111, B11100000,
  B00111111, B11110000,
  B01111100, B11110000,
  B01110000, B01110000,
  B00000000, B00110000 };


void setup()   {                
  Serial.begin(9600);

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  
  
  display.display(); 		
  delay(2000);
  display.clearDisplay();   
  display.drawPixel(10, 10, WHITE);		
  display.display();
  delay(2000);
  display.clearDisplay();


  testdrawline();
  display.display();
  delay(2000);
  display.clearDisplay();

  
  testdrawrect();
  display.display();
  delay(2000);
  display.clearDisplay();

  
  testfillrect();
  display.display();
  delay(2000);
  display.clearDisplay();

  testdrawcircle();
  display.display();
  delay(2000);
  display.clearDisplay();

  
  display.fillCircle(display.width()/2, display.height()/2, 10, WHITE);
  display.display();
  delay(2000);
  display.clearDisplay();

  testdrawroundrect();		
  delay(2000);
  display.clearDisplay();

  testfillroundrect();		
  delay(2000);
  display.clearDisplay();

  testdrawtriangle();	
  delay(2000);
  display.clearDisplay();
   
  testfilltriangle();		
  delay(2000);
  display.clearDisplay();

  
  testdrawchar();
  display.display();
  delay(2000);
  display.clearDisplay();

  
  testscrolltext();
  delay(2000);
  display.clearDisplay();

  
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0,0);
  display.println("Text Here!");
  display.setTextColor(BLACK, WHITE); 
  display.println(3.141592);
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.print("0x"); display.println(0xDEADBEEF, HEX);
  display.display();
  delay(2000);

  
  display.clearDisplay();
  display.drawBitmap(30, 16,  logo16_glcd_bmp, 16, 16, 1);
  display.display();

  
  display.invertDisplay(true);
  delay(1000); 
  display.invertDisplay(false);
  delay(1000); 

  
  testdrawbitmap(logo16_glcd_bmp, LOGO16_GLCD_HEIGHT, LOGO16_GLCD_WIDTH);
}


void loop() {
  
}


void testdrawbitmap(const uint8_t *bitmap, uint8_t w, uint8_t h) {
  uint8_t icons[NUMFLAKES][3];
 
 
  for (uint8_t f=0; f< NUMFLAKES; f++) {
    icons[f][XPOS] = random(display.width());
    icons[f][YPOS] = 0;
    icons[f][DELTAY] = random(5) + 1;
    
    Serial.print("x: ");
    Serial.print(icons[f][XPOS], DEC);
    Serial.print(" y: ");
    Serial.print(icons[f][YPOS], DEC);
    Serial.print(" dy: ");
    Serial.println(icons[f][DELTAY], DEC);
  }

  while (1) {
   
    for (uint8_t f=0; f< NUMFLAKES; f++) {
      display.drawBitmap(icons[f][XPOS], icons[f][YPOS], logo16_glcd_bmp, w, h, WHITE);
    }
    display.display();
    delay(200);
    
   
    for (uint8_t f=0; f< NUMFLAKES; f++) {
      display.drawBitmap(icons[f][XPOS], icons[f][YPOS],  logo16_glcd_bmp, w, h, BLACK);
      
      icons[f][YPOS] += icons[f][DELTAY];
      
      if (icons[f][YPOS] > display.height()) {
	icons[f][XPOS] = random(display.width());
	icons[f][YPOS] = 0;
	icons[f][DELTAY] = random(5) + 1;
      }
    }
   }
}


void testdrawchar(void) {
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0,0);

  for (uint8_t i=0; i < 168; i++) {
    if (i == '\n') continue;
    display.write(i);
    if ((i > 0) && (i % 21 == 0))
      display.println();
  }    
  display.display();
}

void testdrawcircle(void) {
  for (int16_t i=0; i<display.height(); i+=2) {
    display.drawCircle(display.width()/2, display.height()/2, i, WHITE);
    display.display();
  }
}

void testfillrect(void) {
  uint8_t color = 1;
  for (int16_t i=0; i<display.height()/2; i+=3) {
   
    display.fillRect(i, i, display.width()-i*2, display.height()-i*2, color%2);
    display.display();
    color++;
  }
}

void testdrawtriangle(void) {
  for (int16_t i=0; i<min(display.width(),display.height())/2; i+=5) {
    display.drawTriangle(display.width()/2, display.height()/2-i,
                     display.width()/2-i, display.height()/2+i,
                     display.width()/2+i, display.height()/2+i, WHITE);
    display.display();
  }
}

void testfilltriangle(void) {
  uint8_t color = WHITE;
  for (int16_t i=min(display.width(),display.height())/2; i>0; i-=5) {
    display.fillTriangle(display.width()/2, display.height()/2-i,
                     display.width()/2-i, display.height()/2+i,
                     display.width()/2+i, display.height()/2+i, WHITE);
    if (color == WHITE) color = BLACK;
    else color = WHITE;
    display.display();
  }
}

void testdrawroundrect(void) {
  for (int16_t i=0; i<display.height()/2-2; i+=2) {
    display.drawRoundRect(i, i, display.width()-2*i, display.height()-2*i, display.height()/4, WHITE);
    display.display();
  }
}

void testfillroundrect(void) {
  uint8_t color = WHITE;
  for (int16_t i=0; i<display.height()/2-2; i+=2) {
    display.fillRoundRect(i, i, display.width()-2*i, display.height()-2*i, display.height()/4, color);
    if (color == WHITE) color = BLACK;
    else color = WHITE;
    display.display();
  }
}
   
void testdrawrect(void) {
  for (int16_t i=0; i<display.height()/2; i+=2) {
    display.drawRect(i, i, display.width()-2*i, display.height()-2*i, WHITE);
    display.display();
  }
}

void testdrawline() {  
  for (int16_t i=0; i<display.width(); i+=4) {
    display.drawLine(0, 0, i, display.height()-1, WHITE);
    display.display();
  }
  for (int16_t i=0; i<display.height(); i+=4) {
    display.drawLine(0, 0, display.width()-1, i, WHITE);
    display.display();
  }
  delay(250);
  
  display.clearDisplay();
  for (int16_t i=0; i<display.width(); i+=4) {
    display.drawLine(0, display.height()-1, i, 0, WHITE);
    display.display();
  }
  for (int16_t i=display.height()-1; i>=0; i-=4) {
    display.drawLine(0, display.height()-1, display.width()-1, i, WHITE);
    display.display();
  }
  delay(250);
  
  display.clearDisplay();
  for (int16_t i=display.width()-1; i>=0; i-=4) {
    display.drawLine(display.width()-1, display.height()-1, i, 0, WHITE);
    display.display();
  }
  for (int16_t i=display.height()-1; i>=0; i-=4) {
    display.drawLine(display.width()-1, display.height()-1, 0, i, WHITE);
    display.display();
  }
  delay(250);

  display.clearDisplay();
  for (int16_t i=0; i<display.height(); i+=4) {
    display.drawLine(display.width()-1, 0, 0, i, WHITE);
    display.display();
  }
  for (int16_t i=0; i<display.width(); i+=4) {
    display.drawLine(display.width()-1, 0, i, display.height()-1, WHITE); 
    display.display();
  }
  delay(250);
}

void testscrolltext(void) {
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(10,0);
  display.clearDisplay();
  display.println("Text Here");
  display.display();
 
  display.startscrollright(0x00, 0x0F);
  delay(2000);
  display.stopscroll();
  delay(1000);
  display.startscrollleft(0x00, 0x0F);
  delay(2000);
  display.stopscroll();
  delay(1000);    
  display.startscrolldiagright(0x00, 0x07);
  delay(2000);
  display.startscrolldiagleft(0x00, 0x07);
  delay(2000);
  display.stopscroll();
}

Credits

MisterBotBreak

48 projects • 149 followers

I love electronics and cats :D !

How to Use an OLED Screen (128 per 64)

Things used in this project

Hardware components

Software apps and online services

Story

Operation and uses

Connections ( first program ):

Connections ( second program ):

The code

Code

First program

Second program

Credits

MisterBotBreak

Comments

Embed the widget on your own site

How to Use an OLED Screen (128 per 64)

How to Use an OLED Screen (128 per 64)

Things used in this project

Hardware components

Software apps and online services

Story

Operation and uses

Connections ( first program ):

Connections ( second program ):

The code

Code

First program

Second program

Credits

MisterBotBreak

Comments

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