gy906.ino

#include <Wire.h>

#define GY906_ADDRESS 0x5A // Default I2C address of GY-906 sensor
#define FEVER_THRESHOLD 100.4 // Threshold temperature for fever in Fahrenheit (37.5°C)

void setup() {
  Serial.begin(9600);
  Wire.begin(); // Initialize I2C communication
  Wire.setClock(400000); // Set I2C clock speed to 400kHz
  Wire.beginTransmission(GY906_ADDRESS); // Start communication with GY-906 sensor
  Wire.write(0x07); // Register address for ambient temperature data
  Wire.endTransmission(); // End transmission
}

void loop() {
  // Read 2 bytes of data
  Wire.requestFrom(GY906_ADDRESS, 2);
  
  // Combine the bytes to form the temperature value
  int16_t rawTemp = Wire.read() | (Wire.read() << 8);
  
  // Convert raw temperature data to Celsius
  float temperatureC = rawTemp * 0.02 - 273.15;
  
  // Convert Celsius to Fahrenheit
  float temperatureF = (temperatureC * 9.0 / 5.0) + 32.0;
  
  // Print temperature to serial monitor
  Serial.print("Temperature: ");
  Serial.print(temperatureF);
  Serial.println(" °F");
  
  // Check if temperature exceeds fever threshold
  if (temperatureF > FEVER_THRESHOLD) {
    Serial.println("Fever detected!");
    // Add additional actions here, such as activating an alarm or sending an alert
  } else {
    Serial.println("Fever NOT detected!");
  }
  
  delay(1000); // Read temperature every second
}