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SSD1306 OLED (I2C) with ATtiny85 - Hello World Program

January 03, 2022 by AFZAL REHMANI
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In This Tutorial, We are going to Blink an LED With ATtiny85 Microcontroller

Introduction

OLED, which is known as an Organic Light Emitting Diode is commonly utilized to create digital displays in electronic devices. Used in smartphones, handheld games, etc. So, in this tutorial, we are going to interface ” OLED (I2C) with ATtiny85 – Hello World Program”.

The 12C OLED display is a lightweight, super easy, and flexible device. It’s very compact and generates a brighter image. It’s easy to handle because it requires only two pins. Even it’s compact but still has a built-in Graphic display data of 1KB. They composed the memory of 8 pages. And, every page includes 128 columns in it. And, every column can effortlessly store 8 bits of information


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Hardware Require

table.JPG

Circuit Diagram

oled-i2c-attiny85-ssd1306-pcb-circuit.JPG

Code

// Circuits DIY
// For Complete Details Visit -> https://circuits-diy.com  

#include "SSD1306_minimal.h"
#include <avr/pgmspace.h>

#define DEG "\xa7" "C"

SSD1306_Mini oled; // Declare the OLED object

void splash() {
 oled.startScreen();
 oled.clear(); // Clears the display

 oled.cursorTo(0, 0); // x:0, y:0
 oled.printString("   Hello World!");
 oled.cursorTo(0, 10); // x:0, y:23
 oled.printString("     ATtiny85!");
 oled.cursorTo(0, 20); // x:0, y:23
 oled.printString("   Circuits DIY");
 oled.cursorTo(0, 30); // x:0, y:23
 oled.printString("    JLCPCB.com"); 
}

void setup() {
 oled.init(0x3C); // Initializes the display to the specified address
 oled.clear(); // Clears the display
 delay(1000); // Delay for 1 second
 splash(); // Write something to the display (refer to the splash() method
}

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