The sensor comes with a blue or white casing which has two important components we will use. Both of them differ in this sense that the sensor has a filtering capacitor and a pull-up resistor attached to the output pin of the sensor. We will be using the module form in this tutorial. It is available in a module form and a sensor form. It also measures humidity from 20-90% RH with an accuracy of ±5 %. It measures temperature from 0-50☌ with an accuracy of ☒ ☌. The DHT11 is a basic, low cost, digital humidity, and temperature sensor. In this article, we will be teaching you how to interface a DH11 sensor with your Raspberry Pi which will display its readings on a 16×2 LCD screen. We can easily interface the DHT11 with our microprocessors/microcontrollers. One common sensor is the DHT11 which not only offers accuracy but a wide range too. Measuring temperature and humidity are useful functions performed by various sensors.
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