DHT11 Temperature Sensor Module

Overview

This module is based on DHT11, 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 microcontroller 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
• Digital signal output
• Data port with pull-up resistor
• With 3mm fixing screw holes for easy installation

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

Wiring Method

VCC → 3.3V/5V power supply positive

GND → negative power supply

DATA → MCU IO port

Reminder: Do not connect VCC and GND reversely, it will burn if connected incorrectly.

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