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progress_bar

// progress_bar · by 0x1306 · 8 frames · 125ms · loaders
// views · runs
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frame_00 / 08// 125ms 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: progress_bar · 8 frames · 125ms #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 8 #define FRAME_DELAY 125 void drawFrame(int frame) { display.clearDisplay(); // --- progress bar --- display.drawRect(14, 24, 100, 16, WHITE); display.fillRect(16, 26, (frame * 100) / 7 - 4, 12, WHITE); display.setCursor(54, 45); display.print(String((frame * 100) / 7) + "%"); 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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