#include <WiFi.h>
#include <ThingSpeak.h>
#include <DHTesp.h>
DHTesp dhtSensor;
TempAndHumidity data;
const int DHT_PIN = 15;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
WiFiClient client;
unsigned long myChannelNumber = 2258103;
const char * myWriteAPIKey = "HUGGWXKUNKPAE1CV";
int statusCode;
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
WiFi.mode(WIFI_STA);
ThingSpeak.begin(client);
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
pinMode(14, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
data = dhtSensor.getTempAndHumidity();
if(WiFi.status() != WL_CONNECTED)
{
Serial.print("Attempting to connect");
while(WiFi.status() != WL_CONNECTED)
{
WiFi.begin(ssid, pass);
Serial.print(".");
delay(5000);
}
Serial.println("\nConnected.");
}
Serial.println("Humi : " + String(data.humidity));
Serial.println("Temp : " + String(data.temperature));
Serial.println("-----------------");
if(data.temperature>=50 && data.humidity>=50){
digitalWrite(14, HIGH);
}
else{
digitalWrite(14,LOW);
}
ThingSpeak.setField(1, data.humidity);
ThingSpeak.setField(2, data.temperature);
statusCode = ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);
if(statusCode == 200) { //successful writing code
Serial.println("Channel update successful.");
}
else {
Serial.println("Problem Writing data. HTTP error code :" +
String(statusCode));
}
delay(1000);
}