Code voor tankinhoud met 2 displays

 

#define BLYNK_PRINT Serial    // Comment this out to disable prints and save space

#include <SPI.h>

#include <ESP8266WiFi.h>

#include <BlynkSimpleEsp8266.h>

#include <SimpleTimer.h>

#include <DHT.h>                      //Temp sensor

#include <Wire.h>

#include <LiquidCrystal_I2C.h>   //LCD display

#include <Adafruit_GFX.h>         //Nokia Display

#include <Adafruit_PCD8544.h>     //Nokia display

// Nokia dispay:

// pin 7 - Serial clock out (SCLK)

// pin 6 - Serial data out (DIN)

// pin 5 - Data/Command select (D/C)

// pin 4 - LCD chip select (CS)

// pin 3 - LCD reset (RST)

//Adafruit_PCD8544 display = Adafruit_PCD8544(7, 6, 5, 4, 3);

Adafruit_PCD8544 display = Adafruit_PCD8544(16,0, 13, 15, 3);

//Adafruit_PCD8544 display = Adafruit_PCD8544(16=D0, 0= D3, 13=D7, 15=D8, 3=RX);

// Configuration for the display  i2c op lolin pin D1=SCL  D2=SDA

LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);

// Define Trig and Echo pin for ultrasonic sensor

#define trigPin 14  //(d05 op lolin)

#define echoPin 12  //(do06 op lolin)

// Define variables:

long duration;

int distance;

int inhoud;   

// You should get Auth Token in the Blynk App.

// Go to the Project Settings (nut icon).

char auth[] = "xxxxxxxxxxxxxxxxxxxxxxxxX"; //Enter the Auth code which was send by Blink

// Your WiFi credentials.

// Set password to "" for open networks.

char ssid[] = "xxxxxxxe";  //Enter your WIFI Name

char pass[] = "xxxxxxxe22";  //Enter your WIFI Password

#define DHTPIN 2          // Digital pin D4 op lolin voor temp sensor

// Uncomment whatever type you're using!

//#define DHTTYPE DHT11     // DHT 11

#define DHTTYPE DHT22   // DHT 22, AM2302, AM2321

//#define DHTTYPE DHT21   // DHT 21, AM2301

DHT dht(DHTPIN, DHTTYPE);

SimpleTimer timer;

// This function sends Arduino's up time every second to Virtual Pin (5).

// In the app, Widget's reading frequency should be set to PUSH. This means

// that you define how often to send data to Blynk App.

void sendSensor()

{

  float h = dht.readHumidity();

  float t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit

  if (isnan(h) || isnan(t)) {

    Serial.println("Failed to read from DHT sensor!");

    return;

  }

//ultrasone sensor

  digitalWrite(trigPin, LOW);

  delayMicroseconds(1000);

 // Trigger the sensor by setting the trigPin high for 10 microseconds:

  digitalWrite(trigPin, HIGH);

  delayMicroseconds(2000);

  digitalWrite(trigPin, LOW);

  duration = pulseIn(echoPin, HIGH);

   // Calculate the distance:

  distance = duration*0.034/2;

inhoud= map(distance,200,30, 0,5000);

  

  //Blink settings

  // You can send any value at any time.

  // Please don't send more that 10 values per second.

  Blynk.virtualWrite(V5, h);  //V5 is for Humidity

  Blynk.virtualWrite(V6, t);  //V6 is for Temperature

  Blynk.virtualWrite(V7, distance);  //V6 is for Temperature

Blynk.virtualWrite(V8, inhoud);  //V6 is for Temperature

// some serial info 

  Serial.println(t);

  Serial.println(h);

    Serial.println(distance);  

    Serial.println(inhoud);

//tekst on display lcd

  lcd.setCursor ( 0, 0 );                 

  lcd.print("Afstand : "); //distance

  lcd.print(distance);

  lcd.print (" cm  ");

  lcd.setCursor ( 0, 1 );  

  lcd.print("Inhoud : ");

  lcd.setCursor ( 8, 1 ); 

  lcd.print (inhoud);

  lcd.setCursor ( 13, 1 ); 

  lcd.print ("L");

//Nokia display

  display.clearDisplay();

  display.setTextSize(1);

 // display.setTextColor(WHITE, BLACK); // 'inverted' text

  display.setCursor(0,0);

  display.print("Temp  = ");

  display.print(t);

    display.setCursor(0,10);

    display.print("Vocht = ");

   display.println(h);

  display.setTextColor(BLACK);

  display.setCursor(0,22);

 display.print(distance);

   display.print(" cm");

 display.setCursor(0,35);

display.print("Inh ");

 display.setCursor(20,30);

   display.setTextSize(2);

 display.print(inhoud);

 display.print("L");

  display.display();

    

  

}

void setup()

{

  Serial.begin(115200); // See the connection status in Serial Monitor

  // Define inputs and outputs

  

  pinMode(trigPin, OUTPUT);

  pinMode(echoPin, INPUT);

//*Just some text for testing the display

  lcd.begin(16,2);               // initialize the lcd  

  lcd.home ();                   // go home

  lcd.setCursor ( 0, 0 );        // go to the next line

  lcd.print("Tank inhoud ");  

  lcd.setCursor ( 0, 1 );        // go to the next line

  lcd.print (" Ultra sonic    ");

  delay(2000);

  lcd.clear();

//

  

  Blynk.begin(auth, ssid, pass);

  dht.begin();

  // Setup a function to be called every second

  timer.setInterval(1000L, sendSensor);

  display.begin();

  // init done

  // you can change the contrast around to adapt the display

  // for the best viewing!

  display.setContrast(60);

  display.display(); // show splashscreen

  delay(500);

  display.clearDisplay();   // clears the screen and buffer

  display.clearDisplay();

  display.setTextSize(2);

  display.setTextColor(WHITE, BLACK); // 'inverted' text

  display.setCursor(0,5);

  display.println(" Spike ");

  display.setTextSize(1);

    display.setTextSize(1);

  display.setTextColor(BLACK);

  display.setCursor(10,25);

 display.println("Arduino");

 display.setCursor(30,35);

 display.println("projects");

  display.display();

delay(500);

  

}

void loop()

{

  Blynk.run(); // Initiates Blynk

  timer.run(); // Initiates SimpleTimer

  

}