#include "DHTesp.h"
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
#define BLYNK_TEMPLATE_ID "TMPLGZ6cBRWQ"
#define BLYNK_DEVICE_NAME "SUHUDHT22"
#define BLYNK_AUTH_TOKEN "twL9M-rhXAX9rsVc1D4SCF1Z9JjljJFn"
char auth[]="twL9M-rhXAX9rsVc1D4SCF1Z9JjljJFn"
#define BLYNK_PRINT Serial
WiFiClient client;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
BlynkTimer timer;
const int DHT_PIN = 15;
const int trig = 2;
const int echo = 4;
const int ledM = 14;
const int ledK = 27;
const int ledH = 26;
const int ledB = 13;
const int ledP = 12;
DHTesp dhtSensor;
void sendSensor(){
Serial.print("Jarak sensor dengan permukaan: ");
Serial.print(readDistanceCM());
Serial.println(" cm.");
Serial.print("Ketinggian air sungai: ");
Serial.print(300-readDistanceCM());
Serial.println(" cm.");
Serial.println("---");
Blynk.virtualWrite(V1, 300-readDistanceCM()); //mengirimkan data ke Virtual pin di Blynk Cloud
delay(100);
}
void setup() {
pinMode(echo, INPUT);
pinMode(trig, OUTPUT);
pinMode(ledH, OUTPUT);
pinMode(ledK, OUTPUT);
pinMode(ledM, OUTPUT);
pinMode(ledB, OUTPUT);
pinMode(ledP, OUTPUT);
Serial.begin(115200);
WiFi.disconnect();
WiFi.begin("Wokwi-GUEST", "");
while (WiFi.status() != WL_CONNECTED){
delay(300);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
Blynk.begin(auth, ssid, pass);
//dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
timer.setInterval(2000L, sendSensor);
}
float ultrasonik(){
digitalWrite(trig, LOW);
delayMicroseconds(2);
digitalWrite(trig, HIGH);
delayMicroseconds(10);
digitalWrite(trig, LOW);
int durasiPantulan = pulseIn(echo, HIGH);
return durasiPantulan * 0.034 / 2;
}
void loop() {
TempAndHumidity data = dhtSensor.getTempAndHumidity();
Serial.println("Temp: " + String(data.temperature, 2) + "°C");
Serial.println("Humidity: " + String(data.humidity, 1) + "%");
Serial.println("Jarak: " + String(ultrasonik()) + "cm");
Serial.println("---");
float jarakPer = ultrasonik();
if(jarakPer>150){
digitalWrite(ledH, HIGH);
digitalWrite(ledK, LOW);
}
else if(jarakPer<=150 && jarakPer>100){
digitalWrite(ledK, HIGH);
digitalWrite(ledH, LOW);
digitalWrite(ledM, LOW);
}
else if(jarakPer<=100){
digitalWrite(ledM, HIGH);
digitalWrite(ledK, LOW);
}
if(data.temperature<25){
digitalWrite(ledB, LOW);
digitalWrite(ledP, HIGH);
} else if(data.temperature>29){
digitalWrite(ledB, HIGH);
digitalWrite(ledP, LOW);
}
delay(1000);
}