DHT11 Module Pinout. The DHT11 module has a total of 3 pins. In which two are for power and one is for communication. The pinout of a DHT11 Sensor module is as follows: DATA Data pin for 1-wire ...

/*This program consits of a Arduino Uno , LCD , humidity and temperature sensor DHT11 and ultrasonic sensor HC-SR04. My connecting the sensors to the LCD we can display the values of distance and ...

Then this power is supplied to Arduino Nano, OLED, DHT11 and Relay circuits. The data pin of DHT11 is connected to the Digital input pin of Arduino as shown and configured in the code. The OLED ...

This paper presents designing and implementing an Automatic room temperature control system using the Arduino and DHT11 sensor. The fan speed control system has also been proposed. Here, the user sets ...