#include <OneWire.h>
#include <DallasTemperature.h>
#include<Wire.h>
#include <LiquidCrystal_I2C.h>

#define VOLTAGE_SENSOR_PIN A1   // Analog pin for the voltage sensor
LiquidCrystal_I2C lcd(0x27, 16, 2);

#define ACS712_PIN A2             // Analog pin for the ACS712 sensor
#define ACS712_ADDRESS 0x40       // Address of the ACS712 sensor

#define ONE_WIRE_BUS 2

OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature sensor 
DallasTemperature sensors(&oneWire);


void setup() 
{
  // put your setup code here, to run once:
  Serial.begin(9600);

  pinMode(VOLTAGE_SENSOR_PIN, INPUT);
  pinMode(ACS712_PIN, INPUT);
  sensors.begin();
  delay(20);
  lcd.init();
   // Turn on the LCD backlight
   lcd.backlight();
   // Put text on the LCD
  // lcd.print("EV Batt Test");

}

void loop() 
{
  // put your main code here, to run repeatedly:
    int sensorValueVoltage = analogRead(VOLTAGE_SENSOR_PIN);
    

  // Convert the analog value to voltage (assuming 5V reference)
    float voltageBattery = (sensorValueVoltage / 1023.0) * 5.0;
    float overflowThreshold = 14.0;    // Set your overflow threshold voltage here
    float lowBatteryThreshold = 10.0;  // Set your low battery threshold voltage here
    float Battery = (12.0, 13.0);  // Set your Normal battery  voltage here
 
  
  // Current test
    int sensorValueACS = analogRead(ACS712_PIN);
    // Convert the analog value to voltage
    float voltageCurrent = sensorValueACS * (5.0 / 1023.0);

    // Convert voltage to current using the ACS712 sensitivity (100mV/A)
    float current = voltageCurrent / 0.1; // 100mV per A

 


  // Temperature Test
  sensors.requestTemperatures();
  float T = sensors.getTempCByIndex(0);
 
  

   
    lcd.setCursor(5, 0);
    lcd.print("EV batt Testing ");
  
    lcd.setCursor(0, 1);
    lcd.print("Batt_Vtg: ");
    lcd.print(voltageBattery , 2);
    lcd.print(" V");
    Serial.print("Batt_Voltage: ");
    Serial.print(voltageBattery , 2);
    Serial.println(" V ");

    lcd.setCursor(0, 2);
    lcd.print("Current: ");
    lcd.print(current, 2);
    lcd.print(" A");

  // Display current on Serial Monitor
    Serial.print("Current: ");
    Serial.print(current);
    Serial.println(" A");

    // lcd.setCursor(0, 3);
    // lcd.print("Temp: ");
    // lcd.print(T,2);
    // lcd.print(" C");
    Serial.print("Temperature: ");
    Serial.print(T);
    Serial.println("°C");
    delay(1000);
}