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OLED test


OLED i2c screen Arduino - SCHEMATIC

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This is a simpel schematic on how to control this OLED screen using i2c connection.




OLED arduino i2cschematic




Download Adafruit_GFX library:


Download Adafruit_SSD1306X library:




Download test code here:




#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


void setup()   {                
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  // initialize with the I2C addr 0x3C (for the 128x32)
  display.display();
  delay(10);
  // Clear the buffer.
  display.clearDisplay();
    
}


void loop() {
  // text display tests
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0,0);
  display.println("ELECTRONOOBS");
  display.setTextColor(BLACK, WHITE); // 'inverted' text
  display.println(3.141592);
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.print("0x"); display.println(0xDEADBEEF, HEX);
  display.display();
  delay(2000);
  display.clearDisplay();
}






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