The DHT11 sensor has three or four pins, depending on the variant: VCC: Connect to 3.3V or 5V on your MCU (based on your sensor's specification).; Data: Connect to a digital I/O pin on your MCU (not ...

The DHT11 is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and sends the data to a digital pin on the ...

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 ...