#include <WiFi.h>
#include "DHTesp.h"
#include "ThingSpeak.h"
const int DHT_PIN = 15;
const int LED_PIN = 13;
const char* WIFI_NAME = "Wokwi-GUEST";
const char* WIFI_PASSWORD = "";
const int myChannelNumber =3052167;
const char* myApiKey = "4M1FQE0NSL5VPUYZ";
const char* server = "api.thingspeak.com";
DHTesp dhtSensor;
WiFiClient client;
void setup() {
Serial.begin(115200);
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
pinMode(LED_PIN, OUTPUT);
WiFi.begin(WIFI_NAME, WIFI_PASSWORD);
while (WiFi.status() != WL_CONNECTED){
delay(1000);
Serial.println("Wifi not connected");
}
Serial.println("Wifi connected !");
Serial.println("Local IP: " + String(WiFi.localIP()));
WiFi.mode(WIFI_STA);
ThingSpeak.begin(client);
}
void loop() {
TempAndHumidity data = dhtSensor.getTempAndHumidity();
ThingSpeak.setField(1,data.temperature);
ThingSpeak.setField(2,data.humidity);
if (data.temperature>35||data.temperature<12||data.humidity>
70||data.humidity<40) {
digitalWrite(LED_PIN, HIGH);
}else{
digitalWrite(LED_PIN, LOW);
}
int x=ThingSpeak.writeFields(myChannelNumber,myApiKey);
Serial.println("Temp:" +String(data.temperature,2)+"°C");
Serial.println("Humidity:" +String(data.humidity,1)+"%");
if(x==200){
Serial.println("Data pushed successfull");
}else{
Serial.println("Push error"+String(x));
}
Serial.println("---");
delay(10000);
}