#include <Wire.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_MPU6050.h>
#include <OneWire.h>
#include <DallasTemperature.h>

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1
#define ONE_WIRE_BUS 4
#define BUZZER_PIN 15

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
Adafruit_MPU6050 mpu;
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

void setup() {
  Serial.begin(115200);
  Wire.begin(21, 22);

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();

  mpu.begin();
  sensors.begin();

  pinMode(BUZZER_PIN, OUTPUT);
}

void loop() {

  sensors.requestTemperatures();
  float temp = sensors.getTempCByIndex(0);

  sensors_event_t a, g, tempEvent;
  mpu.getEvent(&a, &g, &tempEvent);

  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(WHITE);

  display.setCursor(0,0);
  display.print("Temp: ");
  display.println(temp);

  display.setCursor(0,15);
  display.print("Accel X: ");
  display.println(a.acceleration.x);

  display.display();

if(temp > 37.5) {
  tone(BUZZER_PIN, 2000);
} else {
  noTone(BUZZER_PIN);
}

  delay(1000);
}