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Nodemcu and DHT11 coding #include <dht.h> #include <AdafruitIO_WiFi.h> #include <ESP8266WiFi.h> #include <Ticker.h> #define DHT11_PIN 2 #define IO_USERNAME  "*******"//replace your user name #define IO_KEY       "***********" //replace your key #define WIFI_SSID       "********"//replace your hotspot name #define WIFI_PASS       "********"//replace your hotspot password AdafruitIO_WiFi io(IO_USERNAME, IO_KEY, WIFI_SSID, WIFI_PASS); dht DHT; AdafruitIO_Feed *humidity = io.feed("*******");//replace your feed1 name AdafruitIO_Feed *temperature = io.feed("*****");//replace your feed2 name void setup(){   Serial.begin(9600);     Serial.println("DHT11 Humidity & temperature Sensor\n\n");   Serial.print("Connecting to Adafruit IO");   io.connect();      while(io.status() < AIO_CONNECTED) {     Serial.print(".");     delay