Relative humidity (RH) is the ratio between the actual amount of water vapor present in the air and the maximum amount of water vapor that the air can hold at a given is expressed as a percentage. If there is a lot of water vapor in the air, the humidity will be high. Relative humidity is a measure of how close to saturation the air is with water vapor. “Humidity” refers to the presence of water vapor in the atmosphere. After activation, DHT11 sensor responds to starting a signal in the form of 40 bit data with relative humidity and temperature information. DHT11 transfers data from its single terminal to microcontroller, DHT11 sensor sends signals to an active microcontroller sensor. The DHT11 sensor can work from 3 voltage to 5.5 volts. 3 PIN sensors have two PINs (+ve and -ve) for power supply, one is a signal PIN used for data communication. The DHT11 sensor has three or four pins in total. Interfacing DHT11 Humidity/Temperature Sensor with Arduino in Proteus.Interfacing Temperature Sensor (LM35) with Arduino in Proteus.How To Simulate Arduino Program In Proteus Software?. How to Install and Download Proteus Software?.DHT11 sensor is a relative humidity measurement component used to measure temperature and humidity in the surrounding area. In this project, we will interface DHT11 humidity and temperature sensors with Arduino board on LCD display with Proteus software.
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