#include <EEPROM.h>
const int signalPin = 2;
const int ledPin = 3;
const int relayPin = 4;
const float voltageLimit = 60.0;
const float powerLimit = 80.0;
const float pressureLimit = 20.0;

void setup() {
  // initialize serial communication
  Serial.begin(9600);
  
  // write values to EEPROM
  EEPROM.put(0, 90); // kW
  EEPROM.put(2, 70); // V
  EEPROM.put(4, 10); // psi


  pinMode(signalPin, OUTPUT);
  pinMode(ledPin, OUTPUT);
  pinMode(relayPin, OUTPUT);
}

void loop() {

    int power;
      int batteryVoltage;
        int tyrePressure;
EEPROM.get(0, power);
EEPROM.get(2, batteryVoltage);
EEPROM.get(4, tyrePressure);

  if (power > powerLimit) {
    digitalWrite(relayPin, HIGH);
  } else {
    digitalWrite(relayPin, LOW);
  }
  
  if (batteryVoltage > voltageLimit) {
    digitalWrite(ledPin, HIGH);
  } 
  else {
    digitalWrite(ledPin, LOW);
  }
  
  if (tyrePressure < pressureLimit) {
    digitalWrite(signalPin, HIGH);
  } else {
    digitalWrite(signalPin, LOW);
  }
  
  delay(1000);
}