45 lines
964 B
C++
45 lines
964 B
C++
#include <Wire.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_SSD1306.h>
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#include <Fonts/FreeMono9pt7b.h>
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#define POTENTIOMETER_IN A0
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#define SCREEN_WIDTH 128
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#define SCREEN_HEIGHT 64
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Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
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int i, wave = 0;
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void setup() {
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Serial.begin(115200);
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if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
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Serial.println("SSD1306 allocation failed");
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for (;;);
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}
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delay(2000);
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display.setFont(&FreeMono9pt7b);
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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, 20);
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display.println("Shved\nAndrii\nIO-23");
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display.display();
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delay(3000);
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}
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void loop() {
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display.clearDisplay();
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for (i = 0; i < SCREEN_WIDTH; ++i) {
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wave = analogRead(POTENTIOMETER_IN);
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wave = map(wave, 0, 1023, SCREEN_HEIGHT - 1, 0);
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wave = constrain(wave, 0, SCREEN_HEIGHT);
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display.drawPixel(i, wave, WHITE);
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display.display();
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}
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}
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