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//GY_MCU680 air quality sensor | |
#include <SPI.h> | |
#include <Wire.h> | |
#include <Adafruit_GFX.h> | |
#include <Adafruit_SSD1306.h> | |
#define OLED_RESET 0 // GPIO0 | |
Adafruit_SSD1306 display(OLED_RESET); |