copilot

1. Connect U2:VDD to U1:+5V. This provides power to the DHT11.
2. Connect U2:GND to U1:GND. This completes the DHT11 power circuit.
3. Connect U2:DATA to U1:2/SDA. This is a digital GPIO (general purpose input/output) pin on the Arduino Micro, which will read the sensor's output.

C
#include "DHT.h"

#define DHTPIN 2     // Digital pin connected to the DHT sensor 
#define DHTTYPE DHT11   // DHT 11 

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  dht.begin();
}

void loop() {
  delay(2000);
  
  float h = dht.readHumidity();
  float t = dht.readTemperature();

  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.println(" *C ");
}