(https://www.dfrobot.com/product-

174.html)

Introduction

This DHT11 Temperature and Humidity Sensor (https://www.dfrobot.com/product-

174.html) features a calibrated digital output temperature and humidity sensor

module. Its technology ensures high reliability and excellent long-term stability. A

high-performance 8-bit microcontroller is connected. This sensor includes a resistive

element and wet NTC temperature measuring devices. It has excellent quality, fast

response, anti-interference ability and high cost performance advantages.

Each DHT11 sensors features extremely accurate calibration of humidity calibration

chamber. The calibration coefficients stored in the OTP program memory. Internal

sensors detect signals in the process in accordance with their calibration coefficients.

The single-wire serial interface system is integrated to become quick and easy to

use. The small size, low power, and signal transmission distance up to 20 meters

makes it useful in a variety of applications and even the most demanding

applications The product is 4-pin single row pin package Convenient connections

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