How to Interface DHT11 Sensor with Arduino UNO
Overview of DHT11 DHT11 Sensor The DHT11 sensor measures humidity and temperature, sending values serially over a single data wire. It can detect relative humidity from 20% to 90% RH and temperature from 0°C to 50°C. The sensor has four pins, with one dedicated to serial data communication. Pulses with different TON and TOFF values …