#define BLYNK_TEMPLATE_ID "TMPL6SdC4-AQx"
#define BLYNK_TEMPLATE_NAME "l298n dht11 button"
#define BLYNK_AUTH_TOKEN "JPUy_4BqnQRWleaSDC8-nlExNblZt1D5"
#include <Arduino.h>
#include <DHT.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#define DHTPIN 18 // Pin tempat DHT11 terhubung
#define DHTTYPE DHT22 // Tipe sensor DHT
#define BUTTON_PIN 4 // Pin push button
DHT dht(DHTPIN, DHTTYPE);
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
// Motor A
//int enable1Pin = 27;
//int enable1Pin = 26;
int enable1Pin = 14;
// Setting PWM properties
//const int freq = 30000;
//const int pwmChannel = 0;
//const int resolution = 8;
//int dutyCycle = 200;
int switchState = LOW; // Global state for the Blynk switch
void setup() {
Serial.begin(9600);
Blynk.begin(auth, ssid, pass);
pinMode(BUTTON_PIN, INPUT);
//pinMode(enable1Pin, OUTPUT);
//pinMode(enable1Pin, OUTPUT);
pinMode(enable1Pin, OUTPUT);
//ledcSetup(pwmChannel, freq, resolution);
//ledcAttachPin(enable1Pin, pwmChannel);
dht.begin();
}
BLYNK_WRITE(V0) { // Assuming V0 is the virtual pin connected to the switch widget
switchState = param.asInt(); // Set switch state to the value received from Blynk App
}
void loop() {
Blynk.run();
float temperatureCelsius = dht.readTemperature(); // Suhu dalam Celsius
float humidity = dht.readHumidity(); // Kelembaban
int buttonState = digitalRead(BUTTON_PIN);
Serial.print("Suhu: ");
Serial.print(temperatureCelsius);
Serial.print("C, Kelembaban: ");
Serial.print(humidity);
Serial.println("%");
Blynk.virtualWrite(V2, temperatureCelsius); // Suhu dalam Celsius
Blynk.virtualWrite(V1, humidity); // Kelembaban
// Membaca status pin enable1Pin
//bool motorStatus = digitalRead(enable1Pin);
//Serial.print("enable1Pin status: ");
//Serial.println(motorStatus ? "HIGH" : "LOW");
//Blynk.virtualWrite(V3, motorStatus); // Kirim status pin ke V3
// Mengatur motor DC berdasarkan kondisi suhu dan tombol/switch
if (temperatureCelsius > 30) {
digitalWrite(enable1Pin, HIGH);
digitalWrite(enable1Pin, LOW);
// ledcWrite(pwmChannel, dutyCycle);
} else if (buttonState == HIGH || switchState == HIGH) {
digitalWrite(enable1Pin, HIGH);
digitalWrite(enable1Pin, LOW);
// ledcWrite(pwmChannel, dutyCycle);
} else {
digitalWrite(enable1Pin, LOW);
digitalWrite(enable1Pin, LOW);
// ledcWrite(pwmChannel, 0);
}
delay(1000); // Mengurangi delay untuk responsivitas yang lebih baik
}
Loading
esp32-devkit-c-v4
esp32-devkit-c-v4
led1:A
led1:C
r1:1
r1:2
dht1:VCC
dht1:SDA
dht1:NC
dht1:GND
btn1:1.l
btn1:2.l
btn1:1.r
btn1:2.r