#define BLYNK_TEMPLATE_ID "TMPL3UTNvPxn6"
#define BLYNK_TEMPLATE_NAME "MPU6050"
#define BLYNK_AUTH_TOKEN "HzjqirkUnILtyZJq8oYiMwhMTmQDQrj3"
#include <Wire.h>
#include <MPU6050.h>
#include <LiquidCrystal_I2C.h>
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
MPU6050 mpu;
BlynkTimer timer;
LiquidCrystal_I2C lcd(0x27, 16, 2);
char auth[] = "HzjqirkUnILtyZJq8oYiMwhMTmQDQrj3";  // You'll receive this after creating a Blynk project
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
int16_t ax, ay, az;
int16_t gx, gy, gz;
String error;
void sendSensorData()
{
  float accelX = ax / 16384.0; 
  float accelY = ay / 16384.0;
  float accelZ = az / 16384.0;
  float accelMagnitude = sqrt(pow(accelX, 2) + pow(accelY, 2) + pow(accelZ, 2));
  mpu.getAcceleration(&ax, &ay, &az);
  mpu.getRotation(&gx, &gy, &gz);
  Serial.print("Accel (g): X=");
  Serial.print(accelX, 2);
  Serial.print(" Y=");
  Serial.print(accelY, 2);
  Serial.print(" Z=");
  Serial.print(accelZ, 2);
  Serial.print(" Magnitude=");
  Serial.println(accelMagnitude, 2);
  lcd.setCursor(0, 0); 
  lcd.print("Magnitude:");
  lcd.setCursor(0, 1);  
  lcd.print(accelMagnitude, 2); 
if (accelMagnitude>1){
  lcd.setCursor(0, 1);  
  lcd.print("error");
  Blynk.virtualWrite(V4, "error");
}
else{
  Blynk.virtualWrite(V4, " no error");
}
Blynk.virtualWrite(V0, accelX); 
Blynk.virtualWrite(V1, accelY);    
Blynk.virtualWrite(V2, accelZ); 
Blynk.virtualWrite(V3, accelMagnitude);
}

void setup() {
  Serial.begin(115200);  
  Blynk.begin(auth, ssid, pass);
  lcd.print("MPU6050 Ready");
  mpu.initialize();
  lcd.init(); 
  lcd.backlight();
  if (mpu.testConnection()) {
    Serial.println("MPU6050 is connected");
    lcd.setCursor(0, 1);  
    lcd.print("Connected");
  } else {
    Serial.println("MPU6050 connection failed");
    lcd.setCursor(0, 1);  
    lcd.print("Conn Failed");
    while (1);  
  }
  timer.setInterval(1000L, sendSensorData);  
  delay(2000);  
  lcd.clear();
}
void loop() {
  Blynk.run();
  timer.run();
  
  delay(500);  
}