OLED Display (SSD1306)

OLED Display (SSD1306)

OLED
SSD1306
Display
I2C
Arduino
IoT
Embedded Systems

The SSD1306 is a single-chip CMOS OLED/PLED driver with controller for organic/polymer light emitting diode dot-matrix graphic display system. It consists of 128 segments and 64 commons.

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Specifications

VCCPower supply (3.3V - 5V)
GNDGround (-)
SCLI2C Clock
SDAI2C Data

Sample Code

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

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

void setup() {
Wire.begin();
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
Serial.println("SSD1306 allocation failed");
for(;;);
}

display.clearDisplay();
display.setTextSize(1);
display.setTextColor(WHITE);
display.setCursor(0,0);
display.println("Hello, TRIOE!");
display.display();
}

void loop() {
// Add animation or update display here
delay(100);
}

Crash Course: Using the OLED Display (SSD1306)

Objective

Learn how to use the SSD1306 OLED display to show text, graphics, and create simple animations with a TRIOE microcontroller.

Materials Required

  • SSD1306 OLED Display
  • TRIOE Board
  • Breadboard and jumper wires
  • USB cable for programming

Steps

1Understanding the SSD1306

  • The SSD1306 is a popular OLED display driver that supports both I2C and SPI interfaces.
  • Features a 128x64 pixel monochrome display.
  • Requires minimal pins for operation with I2C interface.

2Circuit Setup

  • Connect VCC to TRIOE 3.3V or 5V
  • Connect GND to TRIOE GND
  • Connect SCL to TRIOE SCL pin
  • Connect SDA to TRIOE SDA pin

3Programming

  • Install Adafruit SSD1306 and GFX libraries
  • Initialize display with correct I2C address
  • Learn to display text and graphics

Video Tutorial: Using the OLED Display (SSD1306)

Common Applications

IoT Device Displays

Perfect for displaying sensor readings, status information, and system parameters in IoT devices.

Smart Home Controls

Used in thermostats, weather stations, and home automation control panels.

Wearable Technology

Ideal for smartwatches, fitness trackers, and other wearable devices due to its small size and low power consumption.

Industrial HMI

Human Machine Interface displays for industrial equipment and control systems.

Educational Projects

Great for STEM education projects, teaching display interfacing and graphics programming.