Hello everyone,
hope all are good. i have sketch that monitor temperature and humidity with arduino uno and ethernet shield with old blynk application. can someone please edit my code that work with new blynk application. thank you
this is my code
#define BLYNK_AUTH_TOKEN "q8CtRZycPcqbOgPE6kwzWvvV6xGkwbC3"
#define BLYNK_PRINT Serial
#include <SPI.h>
#include <Wire.h> // library for I2C protocol
#include <Ethernet.h>
#include <BlynkSimpleEthernet.h>
#include <DHT.h>
#include <LiquidCrystal_I2C.h> // library for I2C LCD
LiquidCrystal_I2C lcd(0x27,20,4); // set the LCD address to 0x27 for a 16 chars and 2 line display
char auth[] = BLYNK_AUTH_TOKEN;
#define DHTPIN 2 // What digital pin we're connected to
// 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);
BlynkTimer timer;
const int waterSens1 = A0;//define water sensor to pin A0
int SensorValue1;//create sensor data variable
const int waterSens2 = A1;//define water sensor to pin A0
int SensorValue2;//create sensor data variable
const int waterSens3 = A2;//define water sensor to pin A0
int SensorValue3;//create sensor data variable
const int waterSens4 = A3;//define water sensor to pin A0
int SensorValue4;//create sensor data variable
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;
}
// You can send any value at any time.
// Please don't send more that 10 values per second.
Blynk.virtualWrite(V5, h);
Blynk.virtualWrite(V6, t);
int sensorValue1 = analogRead(waterSens1);//read the water sensor value
if (sensorValue1 >= 50){
Blynk.virtualWrite(V1, 1);
}
else
{
Blynk.virtualWrite(V1, 0);
}
int sensorValue2 = analogRead(waterSens2);//read the water sensor value
if (sensorValue2 >= 50){
Blynk.virtualWrite(V2, 1);
}
else
{
Blynk.virtualWrite(V2, 0);
}
int sensorValue3 = analogRead(waterSens3);//read the water sensor value
if (sensorValue3 >= 50){
Blynk.virtualWrite(V3, 1);
}
else
{
Blynk.virtualWrite(V3, 0);
}
int sensorValue4 = analogRead(waterSens4);//read the water sensor value
if (sensorValue4 >= 50){
Blynk.virtualWrite(V4, 1);
}
else
{
Blynk.virtualWrite(V4, 0);
}
if(sensorValue1 >= 50 || sensorValue2 >= 50 || sensorValue3 >= 50 || sensorValue4 >= 50)
{
Blynk.virtualWrite(V0, 1);
Blynk.email("nomanjameel26@gmail.com", "Water Alert", "Water Sensor 1 Alarm!");
Blynk.notify("Water Alert - Water Sensor 1 Alarm!");
}
else
{
Blynk.virtualWrite(V0, 0);
}
}
void setup() {
lcd.init();
lcd.backlight();
dht.begin();
lcd.setCursor(0, 0);
lcd.print("Temp:");
lcd.setCursor(0, 1);
lcd.print("Humidity:");
lcd.setCursor(0, 2);
lcd.print("Leakage:");
Serial.begin(9600);
Blynk.begin(auth);
timer.setInterval(1000L, sendSensor);
}
void loop() {
delay(500);
int sensorValue1 = analogRead(waterSens1);//read the water sensor value
if (sensorValue1 >= 50){
lcd.setCursor(1, 3);
lcd.print("1");
}
else
{
lcd.setCursor(1, 3);
lcd.print("0");
}
int sensorValue2 = analogRead(waterSens2);//read the water sensor value
if (sensorValue2 >= 50){
lcd.setCursor(2, 3);
lcd.print("1");
}
else
{
lcd.setCursor(2, 3);
lcd.print("0");
}
int sensorValue3 = analogRead(waterSens3);//read the water sensor value
if (sensorValue3 >= 50){
lcd.setCursor(3, 3);
lcd.print("1");
}
else
{
lcd.setCursor(3, 3);
lcd.print("0");
}
int sensorValue4 = analogRead(waterSens4);//read the water sensor value
if (sensorValue4 >= 50){
lcd.setCursor(4, 3);
lcd.print("1");
}
else
{
lcd.setCursor(4, 3);
lcd.print("0");
}
float h = dht.readHumidity();
float t = dht.readTemperature();
if (isnan(h) || isnan(t)) {
lcd.print("ERROR");
return;
}
lcd.setCursor(5,0);
lcd.print(t);
lcd.setCursor(9,1);
lcd.print(h);
{
Blynk.run(); // Initiates Blynk
timer.run(); // Initiates SimpleTimer
}
}
