#define BLYNK_TEMPLATE_ID "TMPL-Vz9P9CB"
#define BLYNK_TEMPLATE_NAME "dht22"
#define BLYNK_AUTH_TOKEN "x8P9CQKp6myYtHDrs09RPUVGRmUb1wxw"
#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>
#include "DHTesp.h"
LiquidCrystal_I2C lcd(0x27, 16, 2);
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
const int DHT_PIN = 23;
DHTesp dhtSensor;
BlynkTimer timer;
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
lcd.init();
lcd.backlight();
lcd.setCursor(0,0);
lcd.print("Tes Sensor DHT22");
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
Blynk.begin(auth, ssid, pass);
timer.setInterval(2500L, sendSensor);
}
void loop() {
Blynk.run();
timer.run();
}
void sendSensor() {
TempAndHumidity data = dhtSensor.getTempAndHumidity();
float t = data.temperature;
float h = data.humidity;
if(isnan(t) || isnan(h)) {
Serial.println("Failed to read from DHT sensor!");
return;
}
Blynk.virtualWrite(V0, t);
Blynk.virtualWrite(V1, h);
Serial.print("Nilai suhu");
Serial.print(t);
Serial.print(" ||Kelembaban : ");
Serial.println(h);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Suhu : ");
lcd.setCursor(10, 0);
lcd.print("RH : ");
lcd.setCursor(0, 1);
lcd.print(t,1);
lcd.print((char)223);
lcd.print("C");
lcd.setCursor(10, 1);
lcd.print(h,1);
lcd.print("%");
if (t > 70) {
Blynk.logEvent("notifikasi", "Suhu diatas 70 derajat celcius");
}
}
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esp32-devkit-c-v4
esp32-devkit-c-v4