#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() {
Serial.begin(9600);
Serial.println("Starting OLED Eyes...");
// Try to initialize display at address 0x3C
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
Serial.println("SSD1306 allocation failed");
// Try alternate address
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3D)) {
Serial.println("Failed at 0x3D too");
for(;;); // Don't proceed, loop forever
}
}
Serial.println("Display initialized!");
display.clearDisplay();
display.display();
}
void loop() {
// Clear display
display.clearDisplay();
// Draw left eye
display.fillCircle(40, 32, 18, SSD1306_WHITE); // White circle
display.fillCircle(40, 32, 16, SSD1306_BLACK); // Black inner
display.fillCircle(45, 32, 8, SSD1306_WHITE); // White pupil
// Draw right eye
display.fillCircle(88, 32, 18, SSD1306_WHITE); // White circle
display.fillCircle(88, 32, 16, SSD1306_BLACK); // Black inner
display.fillCircle(93, 32, 8, SSD1306_WHITE); // White pupil
display.display();
delay(1000);
// Blink
display.clearDisplay();
// Draw closed eyes
display.drawLine(25, 32, 55, 32, SSD1306_WHITE);
display.drawLine(73, 32, 103, 32, SSD1306_WHITE);
display.display();
delay(150);
// Look left
display.clearDisplay();
display.fillCircle(40, 32, 18, SSD1306_WHITE);
display.fillCircle(40, 32, 16, SSD1306_BLACK);
display.fillCircle(35, 32, 8, SSD1306_WHITE);
display.fillCircle(88, 32, 18, SSD1306_WHITE);
display.fillCircle(88, 32, 16, SSD1306_BLACK);
display.fillCircle(83, 32, 8, SSD1306_WHITE);
display.display();
delay(1000);
// Look right
display.clearDisplay();
display.fillCircle(40, 32, 18, SSD1306_WHITE);
display.fillCircle(40, 32, 16, SSD1306_BLACK);
display.fillCircle(45, 32, 8, SSD1306_WHITE);
display.fillCircle(88, 32, 18, SSD1306_WHITE);
display.fillCircle(88, 32, 16, SSD1306_BLACK);
display.fillCircle(93, 32, 8, SSD1306_WHITE);
display.display();
delay(1000);
}