DHT11 Temperature Sensor

Overview

DHT11 is a high-performance temperature and humidity sensor, ensuring high reliability and excellent stability.

The temperature is measured using a negative temperature coefficient thermistor (NTC), and the relative humidity is measured using a capacitive sensor. Those sensing elements are pre-calibrated and the output is provided as a digital signal.

The DHT11 sensor is compatible with most of the popular micro controller development boards, like Arduino.

Specifications

• Humidity sensing range: 20 - 90% RH
• Humidity measurement accuracy: ±5% RH
• Temperature measurement range: 0 - 60 °C
• Temperature measurement accuracy: ±2 °C
• Supply voltage: 3.3 to 5 V

Note: This module does not work for temperatures below 0 °C

Features

• Integrated measurement of relative humidity and temperature
• Full-scale calibration, can be used interchangeably without re-calibration
• Ultra-fast response time
• Single-wire digital interface ( system integration, low price )
• Ultra-small size ( 12X15.5X5.5 mm )
• High reliability
• Optimized long-term stability

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