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