#define temp A0 
#define vib A1 
#define noi A2 
#define temp A0 
#define vib A1 
#define noi A2 
#define LED1 D0 
#define LED2 D1 
#define LED3 D2 
float temperature; 
float vibration; 
float noise; 
void setup() { 
Serial.begin(115200); 
Serial.println("Hello, STM32!"); 
pinMode(temp, INPUT); 
pinMode(vib, INPUT); 
pinMode(noi, INPUT); 
pinMode(LED1, OUTPUT); 
pinMode(LED2, OUTPUT); 
pinMode(LED3, OUTPUT); 
}
void blinkLED(int ledPin) 
{ 
digitalWrite(ledPin, HIGH); 
delay(200); 
digitalWrite(ledPin, LOW); 
delay(200); 
} 
void loop() 
{ 
// Read sensors 
temperature = analogRead(temp); 
vibration = analogRead(vib); 
noise 
= analogRead(noi); 
// Temperature LED 
if (temperature > 500) 
blinkLED(LED1); 
else 
digitalWrite(LED1, LOW); 
// Vibration LED 
if (vibration>50) 
blinkLED(LED2); 
else 
digitalWrite(LED2, LOW); 
// Noise LED 
if (noise > 50) 
blinkLED(LED3); 
else 
digitalWrite(LED3, LOW); 
// Serial output 
Serial.print("Temperature: "); 
Serial.print(temperature); 
Serial.print("Vibration: "); 
Serial.print(vibration); 
Serial.print("Noise: "); 
Serial.println(noise); 
delay(100); 
}