Head_Fisrt_Opla.ino

#include <Arduino_MKRIoTCarrier.h>
MKRIoTCarrier carrier;
float temperature = 0;
float humidity = 0;
float pressure = 0;
float gyroscope_x, gyroscope_y, gyroscope_z;
float accelerometer_x, accelerometer_y, accelerometer_z;
float pixel = 3, r = 25, g = 20, b = 40;
int none = 0;
int light = 1;


void setup() {
  while (!Serial);
  CARRIER_CASE = true;
  carrier.begin();
}

void loop() {
    temperature = carrier.Env.readTemperature(); //reads temperature
  humidity = carrier.Env.readHumidity(); //reads humidity
  pressure = carrier.Pressure.readPressure(); //reads pressure

  //reads IMU sensor  
  carrier.IMUmodule.readGyroscope(gyroscope_x, gyroscope_y, gyroscope_z); //read gyroscope (x, y z)
  carrier.IMUmodule.readAcceleration(accelerometer_x, accelerometer_y, accelerometer_z); //read accelerometer (x, y z)

  //reads ambient light
  if (carrier.Light.colorAvailable()) {
    carrier.Light.readColor(none, none, none, light);
  }

  //updates state of all buttons
  carrier.Buttons.update();

  //checks if button 1 has been pressed
  if (carrier.Button1.onTouchDown()) { 
    //controlling screen
    carrier.display.fillScreen(ST77XX_BLUE); //red background
    carrier.display.setTextColor(ST77XX_WHITE); //white text
    carrier.display.setTextSize(3); //medium sized text
  
    carrier.display.setCursor(20, 110); //sets position for printing (x and y)
    carrier.display.print("Touched!!"); //prints text
    carrier.Buzzer.sound(500);
    delay(1000);
    carrier.Buzzer.noSound();
    return;
   }

  carrier.leds.setPixelColor(pixel, g , r , b); //sets pixels. e.g. 3, 255, 0 , 255
  carrier.leds.show(); //displays pixels

  carrier.Relay1.open(); //opens relay 1
  carrier.Relay1.close(); //closes relay 1

  // carrier.Buzzer.sound(500); //sets frequency of buzzer
  // delay(1000); //sets duration for sounds
  // carrier.Buzzer.sound(100); //sets frequency of buzzer
  // delay(1000); //sets duration for sounds
  // carrier.Buzzer.noSound(); //stops buzzer


  //controlling screen
  carrier.display.fillScreen(ST77XX_BLACK); //red background
  carrier.display.setTextColor(ST77XX_WHITE); //white text
  carrier.display.setTextSize(2); //medium sized text

carrier.display.setCursor(20, 110); //sets position for printing (x and y)
  carrier.display.print("Temp: "); //prints text
  carrier.display.print(temperature); //prints a variable
  carrier.display.println(" C"); //prints text
}