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sad_face

// sad_face · by 0x1306 · 4 frames · 200ms · emoji
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frame_00 / 04// 200ms per frame
// space: play/pause · ←→: step frames
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#include <Wire.h> #include <Adafruit_GFX.h> #include <Adafruit_SSD1306.h> // 0x1306.dev · animation: sad_face · 4 frames · 200ms #define SCREEN_WIDTH 128 #define SCREEN_HEIGHT 64 #define OLED_RESET -1 #define SCREEN_ADDRESS 0x3C Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); #define FRAME_COUNT 4 #define FRAME_DELAY 200 void drawFrame(int frame) { display.clearDisplay(); int cx = 64; int cy = 32; // --- face outlines --- display.drawCircle(cx, cy, 26, WHITE); // --- eyes --- small filled squares --- display.fillRect(cx - 13, cy - 11, 6, 6, WHITE); display.fillRect(cx + 7, cy - 11, 6, 6, WHITE); // --- frown --- shifted down --- for (int a = 20; a <= 161; a += 8) { float rad = a * 0.0174533; int x = cx + 13 * cos(rad); int y = cy + 6 + 8 * sin(rad); // +6 pushes it into lower half display.drawPixel(x, y, WHITE); } display.display(); } void setup() { Wire.begin(21, 22); // SDA=21, SCL=22 for ESP32 DevKit // change to 0x3D if display not found display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS); display.clearDisplay(); display.display(); } void loop() { for (int i = 0; i < FRAME_COUNT; i++) { drawFrame(i); delay(FRAME_DELAY); } }
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