// channel id : 2491790
//channel api key : 4UW70INVV3TI7SYX
#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 =2491790 ;
const char* myApiKey = "4UW70INVV3TI7SYX";
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);
}
esp1:VIN
esp1:GND.2
esp1:D13
esp1:D12
esp1:D14
esp1:D27
esp1:D26
esp1:D25
esp1:D33
esp1:D32
esp1:D35
esp1:D34
esp1:VN
esp1:VP
esp1:EN
esp1:3V3
esp1:GND.1
esp1:D15
esp1:D2
esp1:D4
esp1:RX2
esp1:TX2
esp1:D5
esp1:D18
esp1:D19
esp1:D21
esp1:RX0
esp1:TX0
esp1:D22
esp1:D23
dht1:VCC
dht1:SDA
dht1:NC
dht1:GND
led1:A
led1:C