Circuit Diagram The circuit involves the following connections: • DHT11 Sensor: o VCC to 5V on the Arduino. o GND to GND on the Arduino. o DATA to a digital pin (e.g., Pin 2). • An optional pull-up ...

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 ...