#include <SPI.h> #include <Wire.h> #include <Adafruit_GFX.h> #include <Adafruit_SSD1306.h> #define OLED_RESET 4 Adafruit_SSD1306 display(OLED_RESET); void setup() { Serial.begin(9600); display.begin(SSD1306_SWITCHCAPVCC, 0x3D); display.display(); delay(2000); display.clearDisplay(); } v…

variable was not declared in this scope

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