#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define OLED_RESET -1 // 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);
String readString = "";
void setup() {
if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
Serial.println(F("SSD1306 allocation failed"));
for(;;); // Don't proceed, loop forever
}
Serial.begin(9600);
display.clearDisplay();
display.display();
display.setFont();
display.setTextSize(1); // Normal 1:1 pixel scale
display.setTextColor(WHITE); // Draw white text
display.setCursor(0, 20); // Start at top-left corner
display.cp437(true); // Use full 256 char 'Code Page 437' font
display.println("This is a test.");
display.display();
}
void loop() {
if(Serial.available() > 0){
readString = Serial.readString();
display.clearDisplay();
display.display();
display.setCursor(0,0);
display.setTextSize(1);
display.setTextColor(WHITE);
display.println(readString);
display.display();
}
}