**Sensor Readings** rev_03

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    - Project: **Sensor Readings**
    - Source Code NOT compiled for: Arduino Uno
    - Source Code created on: 2024-12-06 10:23:08

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* read periodically temp and humidity. */
/****** END SYSTEM REQUIREMENTS *****/

/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <Wire.h>
#include <GY21.h>   //https://github.com/JonasGMorsch/GY-21

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF I2C PINS *****/
const uint8_t sensor_GY21_I2C_PIN_SDA_A4        = A4;
const uint8_t sensor_GY21_I2C_PIN_SCL_A5        = A5;
const uint8_t sensor_GY21_I2C_SLAVE_ADDRESS     = 64;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
GY21 sensor; // Create an instance of the GY21 class

void setup(void)
{
    // Initialize serial communication for debugging
    Serial.begin(9600);
    // Initialize I2C communication
    Wire.begin(sensor_GY21_I2C_PIN_SDA_A4, sensor_GY21_I2C_PIN_SCL_A5);
}

void loop(void)
{
    // Read temperature and humidity
    float temperature = sensor.GY21_Temperature();
    float humidity = sensor.GY21_Humidity();

    // Print the results to the serial monitor
    Serial.print("Temperature: ");
    Serial.print(temperature);
    Serial.println(" °C");

    Serial.print("Humidity: ");
    Serial.print(humidity);
    Serial.println(" %");

    // Wait for 2 seconds before the next reading
    delay(2000);
}

/* END CODE */