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yilmazyurdakul
Published

Car Controller Dashboard with LCD

If you want to build controller dashboard, you can do it by using just encoder with button!

AdvancedWork in progress1,115
Car Controller Dashboard with LCD

Things used in this project

Hardware components

Rotary Encoder with Push-Button
Rotary Encoder with Push-Button
×1
Solid State Relay Controller 4-Channel + 8 Channel ADC ProXR Lite
National Control Devices Solid State Relay Controller 4-Channel + 8 Channel ADC ProXR Lite
×1
Arduino UNO
Arduino UNO
×1

Story

Read more

Code

Arduino for Niva

Arduino
#include "Timer.h"
Timer t;
unsigned long timeout;
unsigned long timeoutCounter;

unsigned long wiperTimeout = 30;
unsigned long wiperCounter;
unsigned long wiperInterval = 30;
byte onTime = 1;

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

#include <dht11.h>
#define DHT11PIN 1
dht11 DHT11;

#include <EEPROM.h>
int storePwm = 0;

byte   encoderPinA = 2;   // right (labeled DT on our decoder, yellow wire)
byte   encoderPinB = 3;   // left (labeled CLK on our decoder, green wire)
volatile unsigned int encoderVal = 50;  // a counter for the dial
unsigned int lastReportedPos = 1;   // change management
static boolean rotating = false;    // debounce management
boolean A_set = false;
boolean B_set = false;

byte clk = 4;
int encoderValOld;

byte menuCount = 0;
byte menuCountLim = 5;
byte menuCountOld;

long buttonTimer = 0;
long longPressTime = 500;
boolean buttonActive = false;
boolean longPressActive = false;

byte state1 = 0;
bool state2 = false;
bool state3 = false;
byte state4 = 0;
bool state5 = false;
bool state6 = false;
bool state7 = false;

byte val1 = 30;
int pwmVal1;

byte acSetTemp = 23;
int temp;
int hum;

byte dPin1 = 6;
byte dPin2 = 7;
byte dPin3 = 8;
byte dPin4 = 9;
byte dPin5 = 10;
byte dPin6 = 11;
byte dPin7 = 12;
byte dPin8 = 13;

byte pwmPin1 = 5;

int ldrPin = A6;
int lightsOnLim = 400;
int lightsOffLim = 600;
bool lights = false;

int doorPin = A0;
bool doorState = false;

void setup() {
  pinMode(encoderPinA, INPUT_PULLUP);
  pinMode(encoderPinB, INPUT_PULLUP);

  attachInterrupt(0, doEncoderA, CHANGE);
  attachInterrupt(1, doEncoderB, CHANGE);

  t.every(30000, tempCheck);
  t.every(3000, lightCheck);
  t.every(100, doorCheck);

  pinMode(clk, INPUT_PULLUP);
  pinMode (doorPin, INPUT_PULLUP);

  pinMode (dPin1, OUTPUT);
  pinMode (dPin2, OUTPUT);
  pinMode (dPin3, OUTPUT);
  pinMode (dPin4, OUTPUT);
  pinMode (dPin5, OUTPUT);
  pinMode (dPin6, OUTPUT);
  pinMode (dPin7, OUTPUT);
  pinMode (dPin8, OUTPUT);

  digitalWrite (dPin1, HIGH);
  digitalWrite (dPin2, HIGH);
  digitalWrite (dPin3, HIGH);
  digitalWrite (dPin4, HIGH);
  digitalWrite (dPin5, HIGH);
  digitalWrite (dPin6, HIGH);
  digitalWrite (dPin7, HIGH);
  digitalWrite (dPin8, HIGH);

  pinMode(pwmPin1, OUTPUT);
  digitalWrite(pwmPin1, 200);

  lcd.begin();
  lcd.clear();
  lcd.setCursor(3, 0);
  lcd.print("NIVA 1600");
  delay(300);
  for (int x = 0; x < 16; x++) {

    lcd.setCursor(x, 1);
    lcd.print(">");
    delay(30);

    if (digitalRead(4) == LOW) {
      break;
    }
  }
  for (int x = 0; x < 16; x++) {
    lcd.setCursor(x, 1);
    lcd.print(" ");
    delay(30);

    if (digitalRead(4) == LOW) {
      break;
    }
  }
  delay(300);
  lcd.clear();
  lcd.backlight();
  timeout = timeoutCounter + 20;
  tempCheck();
  val1 = EEPROM.read(storePwm);
  encoderVal = val1;
}
void loop() {
  rotating = true;
  buttonCheck();
  menuScreen();
  screenClean();
  darkMode();
  t.update();
  pinControl();
  timeoutCounter = (millis() / 1000);
  wiperCounter = (millis() / 1000);
}
void menuScreen() {
  if (menuCount == 0) { //Ana ekran

    lcd.setCursor(0, 0);
    lcd.print(temp);
    lcd.setCursor(2, 0);
    lcd.print((char) 223);

    lcd.setCursor(3, 0);
    lcd.print(hum);
    lcd.setCursor(5, 0);
    lcd.print("%");

    lcd.setCursor(7, 0);
    if (doorState == false) {
      lcd.print("Kapi Acik");
    } else {
      lcd.print("         ");
    }

    lcd.setCursor(0, 1);

    lcd.print("L");
    lcd.setCursor(1, 1);
    lcd.print(val1);

    val1 = encoderVal;

    if (state5 == true) {
      lcd.setCursor(4, 1);
      lcd.print("AC:");
      lcd.setCursor(7, 1);
      lcd.print(acSetTemp);
    } else {
      lcd.setCursor(4, 1);
      lcd.print("AC:");
      lcd.setCursor(7, 1);
      lcd.print("Off");
    }

    lcd.setCursor(11, 1);
    lcd.print("F:");
    lcd.setCursor(13, 1);
    if (state1 == 0) {
      lcd.print("Oto");
    } else if (state1 == 1) {
      lcd.print("Off");
    } else if (state1 == 2) {
      lcd.print("On ");
    }

  }
  if (menuCount == 1) { //Far
    lcd.setCursor(0, 0);
    lcd.print("1 Far");
    lcd.setCursor(0, 1);
    if (state1 == 0) {
      lcd.print("> Otomatik");
    } else if (state1 == 1) {
      lcd.print("> Kapali  ");
    } else if (state1 == 2) {
      lcd.print("> Acik    ");
    }
  }
  if (menuCount == 2) { //Silgeç
    lcd.setCursor(0, 0);
    lcd.print("Arka Silecek");
    lcd.setCursor(0, 1);
    if (state2 == true) {
      lcd.print("> Acik  ");
    } else {
      lcd.print("> Kapali");
    }
  }
  if (menuCount == 3) { // Sis farları
    lcd.setCursor(0, 0);
    lcd.print("3 Sis Farlari");
    lcd.setCursor(0, 1);
    if (state3 == true) {
      lcd.print("> Acik  ");
    } else {
      lcd.print("> Kapali");
    }
  }
  if (menuCount == 4) { // Koltuk ısıtma
    lcd.setCursor(0, 0);
    lcd.print("4 Koltuk Isitma");
    lcd.setCursor(0, 1);
    if (state4 == 0) {
      lcd.print("> Kapali");
    } else  {
      lcd.print("> Acik  ");
    }
  }
  if (menuCount == 5) { // Klima
    lcd.setCursor(0, 0);
    lcd.print("5 Klima");
    lcd.setCursor(0, 1);
    if (state5 == true) {
      lcd.print("> Acik   ");
    } else {
      lcd.print("> Kapali");
    }

    acSetTemp = encoderVal;
    if (acSetTemp < 16) {
      encoderVal = 16;
    }

    if (acSetTemp > 25) {
      encoderVal = 25;
    }

    lcd.setCursor(10, 1);
    lcd.print(acSetTemp); //Dummy val for temp
    lcd.setCursor(12, 1);
    lcd.print((char) 223);

  }
}
void pinControl() {
  //---Channel 1
  if (state1 == 0) {
    if (lights == true) {
      digitalWrite(dPin1, LOW);
    } else {
      digitalWrite(dPin1, HIGH);
    }
  } else if (state1 == 1) {
    digitalWrite(dPin1, HIGH);
  } else if (state1 == 2) {
    digitalWrite(dPin1, LOW);
  }
  //---Channel 2
  if (state2 == true) {
    if (wiperTimeout < wiperCounter) {
      digitalWrite(dPin2, LOW);
    }
    if (wiperTimeout + onTime < wiperCounter) {
      digitalWrite(dPin2, HIGH);
      wiperTimeout = wiperCounter + wiperInterval;
    }
  }
  //---Channel 3
  if (state3 == true) {
    digitalWrite(dPin3, LOW);
  } else {
    digitalWrite(dPin3, HIGH);
  }
  //---Channel 4
  if (state4 == 0) {
    digitalWrite(dPin4, HIGH);
  } else {
    digitalWrite(dPin4, HIGH);
  }
  //---Channel 5
  if (state5 == true && acSetTemp < temp)
  {
    digitalWrite(dPin5, LOW);
  } else {
    digitalWrite(dPin5, HIGH);
  }
  //---Channel 6
  if (state6 == true) {
    //digitalWrite(dPin6, HIGH);
  } else {
    //digitalWrite(dPin6, LOW);
  }

  pwmVal1 = map(val1, 0, 100, 0, 255);
  analogWrite(pwmPin1, pwmVal1);
}
void lightCheck() {
  if (analogRead(ldrPin) < lightsOnLim) {
    lights = true;
    pwmVal1 = 20;
  } else if (analogRead(ldrPin) > lightsOffLim) {
    lights = false;
  }
}
void doorCheck() {
  if (digitalRead(doorPin) == LOW) {

    doorState = false;
  } else {

    doorState = true;
  }
}
void darkMode() {
  if (timeoutCounter > timeout) {
    lcd.noBacklight();
    menuCount = 0;
  } else {
    lcd.backlight();
  }
}
void screenClean() {
  if (menuCount != menuCountOld) {
    lcd.clear();
    menuCountOld = menuCount;
  }
  if (encoderValOld != encoderVal) {
    lcd.clear();
    encoderValOld = encoderVal;
  }
}
void stateCheck() {
  if (longPressActive == true) {
    if (menuCount == 0) {
      EEPROM.write(storePwm, val1);
      delay(10);
      lcd.noBacklight();
      delay(50);
      lcd.backlight();
    }
    if (menuCount == 1) {
      if (state1 == 0) {
        state1 = 1;
      } else if (state1 == 1) {
        state1 = 2;
      } else if (state1 == 2) {
        state1 = 0;
      }
    }
    if (menuCount == 2) {
      state2 = !state2;
    }
    if (menuCount == 3) {
      state3 = !state3;
    }
    if (menuCount == 4) {

      state4 = !state4;
    }
    if (menuCount == 5) {
      state5 = !state5;
    }
    if (menuCount == 6) {
      state6 = !state6;
    }
  }
}
void buttonCheck() {
  if (digitalRead(clk) == LOW) {
    if (buttonActive == false) {
      buttonActive = true;
      buttonTimer = millis();
    }
    if ((millis() - buttonTimer > longPressTime) && (longPressActive == false)) {
      longPressActive = true;
      //Uzun basma
      stateCheck();
    }
  } else {
    if (buttonActive == true) {
      if (longPressActive == true) {
        longPressActive = false;
      } else {

        //kısa basma
        timeout = timeoutCounter + 20;

        if (menuCount < menuCountLim) {
          menuCount++;

        } else {
          menuCount = 0;
          encoderVal = val1;
        }

      }
      buttonActive = false;
    }
  }
}
void tempCheck() {

  int chk = DHT11.read(DHT11PIN);
  temp = DHT11.temperature;
  hum = DHT11.humidity;

}
void doEncoderA() {
  // debounce
  if ( rotating ) delay (1);  // wait a little until the bouncing is done
  // Test transition, did things really change?
  if ( digitalRead(encoderPinA) != A_set ) { // debounce once more
    A_set = !A_set;
    // adjust counter + if A leads B
    if ( A_set && !B_set )

      if (encoderVal < 100) {
        encoderVal += 1;
      }
    timeout = timeoutCounter + 20;
    rotating = false;  // no more debouncing until loop() hits again
  }
}
void doEncoderB() {
  if ( rotating ) delay (1);
  if ( digitalRead(encoderPinB) != B_set ) {
    B_set = !B_set;
    //  adjust counter – 1 if B leads A
    if ( B_set && !A_set )

      if (encoderVal > 0) {
        encoderVal -= 1;
      }

    timeout = timeoutCounter + 20;
    rotating = false;
  }
}

Arduino for Niva - Without Timer Module

Arduino
I will go on this way. Timer module takes up space and pins and i realized my stereo has a clock :D
#include "Timer.h"
Timer t;
unsigned long timeout;
unsigned long timeoutCounter;

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

#include <dht11.h>
#define DHT11PIN 1
dht11 DHT11;

#include <EEPROM.h>
int storePwm = 0;

byte   encoderPinA = 2;   // right (labeled DT on our decoder, yellow wire)
byte   encoderPinB = 3;   // left (labeled CLK on our decoder, green wire)
volatile unsigned int encoderVal = 50;  // a counter for the dial
unsigned int lastReportedPos = 1;   // change management
static boolean rotating = false;    // debounce management
boolean A_set = false;
boolean B_set = false;

byte clk = 4;
int encoderValOld;

byte menuCount = 0;
byte menuCountLim = 6;
byte menuCountOld;

long buttonTimer = 0;
long longPressTime = 500;
boolean buttonActive = false;
boolean longPressActive = false;

byte state1 = 0;
bool state2 = false;
bool state3 = false;
byte state4 = 0;
bool state5 = false;
bool state6 = false;
bool state7 = false;

byte val1 = 30;
int pwmVal1;

byte acSetTemp = 23;
int temp;
int hum;

byte dPin1 = 6;
byte dPin2 = 7;
byte dPin3 = 8;
byte dPin4 = 9;
byte dPin5 = 10;
byte dPin6 = 11;
byte dPin7 = 12;
byte dPin8 = 13;

byte pwmPin1 = 5;

int ldrPin = A6;
int lightsOnLim = 400;
int lightsOffLim = 600;
bool lights = false;

bool up = false;
bool down = false;

int doorPin = A0;
bool doorState = false;

void setup() {
  pinMode(encoderPinA, INPUT_PULLUP);
  pinMode(encoderPinB, INPUT_PULLUP);

  attachInterrupt(0, doEncoderA, CHANGE);
  attachInterrupt(1, doEncoderB, CHANGE);

  t.every(30000, tempCheck);
  t.every(5000, lightCheck);
  t.every(100, doorCheck);

  pinMode(clk, INPUT_PULLUP);
  pinMode (doorPin, INPUT_PULLUP);
  
  pinMode (dPin1, OUTPUT);
  pinMode (dPin2, OUTPUT);
  pinMode (dPin3, OUTPUT);
  pinMode (dPin4, OUTPUT);
  pinMode (dPin5, OUTPUT);
  pinMode (dPin6, OUTPUT);
  pinMode (dPin7, OUTPUT);
  pinMode (dPin8, OUTPUT);

  pinMode(pwmPin1, OUTPUT);

  lcd.begin();
  lcd.clear();
  lcd.setCursor(3, 0);
  lcd.print("NIVA 1600");
  delay(300);
  for (int x = 0; x < 16; x++) {

    lcd.setCursor(x, 1);
    lcd.print(">");
    delay(50);

    if (digitalRead(4) == LOW) {
      break;
    }
  }
  for (int x = 0; x < 16; x++) {
    lcd.setCursor(x, 1);
    lcd.print(" ");
    delay(50);

    if (digitalRead(4) == LOW) {
      break;
    }
  }
  delay(300);
  lcd.clear();
  lcd.backlight();
  timeout = timeoutCounter + 30;
  tempCheck();
  val1 = EEPROM.read(storePwm);
  encoderVal = val1;
}
void loop() {
  rotating = true;
  up = false;
  down = false;

  buttonCheck();
  menuScreen();
  screenClean();
  darkMode();
  t.update();
  pinControl();
  timeoutCounter = (millis() / 1000);
}

void menuScreen() {
  if (menuCount == 0) {

    lcd.setCursor(0, 0);
    lcd.print(temp);
    lcd.setCursor(2, 0);
    lcd.print((char) 223);

    lcd.setCursor(3, 0);
    lcd.print(hum);
    lcd.setCursor(5, 0);
    lcd.print("%");

    lcd.setCursor(7, 0);
    lcd.print("-");

    lcd.setCursor(0, 1);

    lcd.print("L");
    lcd.setCursor(1, 1);
    lcd.print(val1);

    val1 = encoderVal;

    if (state5 == true) {
      lcd.setCursor(4, 1);
      lcd.print("AC:");
      lcd.setCursor(7, 1);
      lcd.print(acSetTemp);
    } else {
      lcd.setCursor(4, 1);
      lcd.print("AC:");
      lcd.setCursor(7, 1);
      lcd.print("Off");
    }

    lcd.setCursor(11, 1);
    lcd.print("F:");
    lcd.setCursor(13, 1);
    if (state1 == 0) {
      lcd.print("Oto");
    } else if (state1 == 1) {
      lcd.print("Off");
    } else if (state1 == 2) {
      lcd.print("On ");
    }

  }
  if (menuCount == 1) {
    lcd.setCursor(0, 0);
    lcd.print("1 Far");
    lcd.setCursor(0, 1);
    if (state1 == 0) {
      lcd.print("> Otomatik");
    } else if (state1 == 1) {
      lcd.print("> Kapali  ");
    } else if (state1 == 2) {
      lcd.print("> Acik    ");
    }
  }
  if (menuCount == 2) {
    lcd.setCursor(0, 0);
    lcd.print("2 Priz / USB");
    lcd.setCursor(0, 1);
    if (state2 == true) {
      lcd.print("> Acik  ");
    } else {
      lcd.print("> Kapali");
    }
  }
  if (menuCount == 3) {
    lcd.setCursor(0, 0);
    lcd.print("3 Sis Farlari");
    lcd.setCursor(0, 1);
    if (state3 == true) {
      lcd.print("> Acik  ");
    } else {
      lcd.print("> Kapali");
    }
  }
  if (menuCount  == 4) {
    lcd.setCursor(0, 0);
    lcd.print("4 Fan");
    lcd.setCursor(0, 1);
    if (state4 == 0) {
      lcd.print("> Kapali");
    } else if (state4 == 1) {
      lcd.print("> Hafif ");
    } else if (state4 == 2) {
      lcd.print("> Yuksek");
    }
  }
  if (menuCount  == 5) {
    lcd.setCursor(0, 0);
    lcd.print("5 Klima");
    lcd.setCursor(0, 1);
    if (state5 == true) {
      lcd.print("> Acik   ");
    } else {
      lcd.print("> Kapali");
    }

    acSetTemp = encoderVal;
    if (acSetTemp < 16) {
      encoderVal = 16;
    }

    if (acSetTemp > 25) {
      encoderVal = 25;
    }

    lcd.setCursor(10, 1);
    lcd.print(acSetTemp); //Dummy val for temp
    lcd.setCursor(12, 1);
    lcd.print((char) 223);

  }
  if (menuCount  == 6) {
    lcd.setCursor(0, 0);
    lcd.print("6 Yagmur Sensoru");
    lcd.setCursor(0, 1);
    if (state6 == 0) {
      lcd.print("> Kapali");
    } else  {
      lcd.print("> Acik  ");
    }
  }
}
void pinControl() {
  //---Channel 1
  if (state1 == 0) {
    if (lights == true) {
      digitalWrite(dPin1, HIGH);
    } else {
      digitalWrite(dPin1, LOW);
    }
  } else if (state1 == 1) {
    digitalWrite(dPin1, LOW);
  } else if (state1 == 2) {
    digitalWrite(dPin1, HIGH);
  }
  //---Channel 2
  if (state2 == true) {
    digitalWrite(dPin2, HIGH);
  } else {
    digitalWrite(dPin2, LOW);
  }
  //---Channel 3
  if (state3 == true) {
    digitalWrite(dPin3, HIGH);
  } else {
    digitalWrite(dPin3, LOW);
  }
  //---Channel 4
  if (state4 == 0) {
    digitalWrite(dPin4, LOW);
    digitalWrite(dPin5, LOW);
  } else if (state4 == 1) {
    digitalWrite(dPin4, HIGH);
    digitalWrite(dPin5, LOW);
  } else if (state4 == 2) {
    digitalWrite(dPin5, HIGH);
    digitalWrite(dPin4, LOW);
  }
  //---Channel 5
  if (state5 == true && acSetTemp < temp) {
    digitalWrite(dPin6, HIGH);
  } else {
    digitalWrite(dPin6, LOW);
  }

  //---Channel 6
  if (state6 == true) {
    //digitalWrite(dPin7, HIGH);
  } else {
    //digitalWrite(dPin7, LOW);
  }

  pwmVal1 = map(val1, 0, 100, 0, 255);
  analogWrite(pwmPin1, pwmVal1);
}

void lightCheck() {
  if (analogRead(ldrPin) < lightsOnLim) {
    lights = true;
  } else if (analogRead(ldrPin) > lightsOffLim) {
    lights = false;
  }
}

void doorCheck() {
  if (digitalRead(doorPin) == HIGH) {
    if (val1 < 70) {
      encoderVal++;
    }
    doorState = false;
  } else {
    byte oldVal = EEPROM.read(storePwm);
    if (oldVal < val1) {
      encoderVal--;
    }
    doorState = true;
  }
}

void darkMode() {
  if (timeoutCounter > timeout) {
    lcd.noBacklight();
    menuCount = 0;
  } else {
    lcd.backlight();
  }
}
void screenClean() {
  if (menuCount != menuCountOld) {
    lcd.clear();
    menuCountOld = menuCount;
  }
  if (encoderValOld != encoderVal) {
    lcd.clear();
    encoderValOld = encoderVal;
  }
}
void stateCheck() {
  if (longPressActive == true) {

    if (menuCount == 0) {
      EEPROM.write(storePwm, val1);
      delay(10);
      lcd.noBacklight();
      delay(50);
      lcd.backlight();
    }

    if (menuCount == 1) {
      if (state1 == 0) {
        state1 = 1;
      } else if (state1 == 1) {
        state1 = 2;
      } else if (state1 == 2) {
        state1 = 0;
      }
    }

    if (menuCount == 2) {
      state2 = !state2;
    }

    if (menuCount == 3) {
      state3 = !state3;
    }

    if (menuCount == 4) {
      if (state4 == 0) {
        state4 = 1;
      } else if (state4 == 1) {
        state4 = 2;
      } else if (state4 == 2) {
        state4 = 0;
      }
    }

    if (menuCount == 5) {
      state5 = !state5;
    }
    if (menuCount == 6) {
      state6 = !state6;
    }

  }
}
void buttonCheck() {
  if (digitalRead(clk) == LOW) {
    if (buttonActive == false) {
      buttonActive = true;
      buttonTimer = millis();
    }
    if ((millis() - buttonTimer > longPressTime) && (longPressActive == false)) {
      longPressActive = true;
      //Uzun basma
      stateCheck();
    }
  } else {
    if (buttonActive == true) {
      if (longPressActive == true) {
        longPressActive = false;
      } else {

        //kısa basma

        timeout = timeoutCounter + 20;
        if (menuCount < menuCountLim) {
          menuCount++;

        } else {
          menuCount = 0;
          encoderVal = val1;
        }

      }
      buttonActive = false;
    }
  }
}
void tempCheck() {

  int chk = DHT11.read(DHT11PIN);

  temp = DHT11.temperature;
  hum = DHT11.humidity;

}
void doEncoderA() {
  // debounce
  if ( rotating ) delay (1);  // wait a little until the bouncing is done
  // Test transition, did things really change?
  if ( digitalRead(encoderPinA) != A_set ) { // debounce once more
    A_set = !A_set;
    // adjust counter + if A leads B
    if ( A_set && !B_set )

      if (encoderVal < 100) {
        encoderVal += 1;
      }

    timeout = timeoutCounter + 20;
    up = true;
    down = false;
    rotating = false;  // no more debouncing until loop() hits again
  }
}
void doEncoderB() {
  if ( rotating ) delay (1);
  if ( digitalRead(encoderPinB) != B_set ) {
    B_set = !B_set;
    //  adjust counter – 1 if B leads A
    if ( B_set && !A_set )

      if (encoderVal > 0) {
        encoderVal -= 1;
      }

    timeout = timeoutCounter + 20;
    down = true;
    up = false;
    rotating = false;
  }
}

Credits

yilmazyurdakul
9 projects • 27 followers
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  • National Control Devices