#include #include #include #define SCREEN_WIDTH 128 // OLED display width, in pixels #define SCREEN_HEIGHT 32 // OLED display height, in pixels // Declaration for an SSD1306 display connected to I2C (SDA, SCL pins) // The pins for I2C are defined by the Wire-library. // On an arduino UNO: A4(SDA), A5(SCL) // On an arduino MEGA 2560: 20(SDA), 21(SCL) // On an arduino LEONARDO: 2(SDA), 3(SCL), ... #define OLED_RESET 4 // Reset pin # (or -1 if sharing Arduino reset pin) #define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32 Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); void setup() { display.begin(SSD1306_SWITCHCAPVCC, 0x3C); display.clearDisplay(); } int contador =0; void loop() { display.clearDisplay(); display.setTextSize(1); display.setTextColor(WHITE); display.setCursor(0,0); display.print("Contador: "); display.println(contador++); display.setTextSize(1); display.println("UNELECTRONICA"); display.display(); delay(200); }