DHT11

Description

The DHT11! Here's a concise introduction: The Aosong (Guangzhou) Elec DHT11 is a SIP-4Temperature and Humidity Sensor, RoHS compliant. It's a popular component among makers and IoT enthusiasts, offering high accuracy and reliability. This digital temperature and humidity sensor module can measure relative humidity from 20% to 80% and temperatures from -40°C to 80°C (+/- 0.5°C). Its compact size (15mm x 12mm) makes it perfect for various applications, including smart home automation, environmental monitoring, and industrial control systems. The DHT11 is a simple-to-use, low-cost sensor ideal for projects requiring temperature and humidity data. Its digital output format (Pulse Width Modulation, PWM) makes integration straightforward with Arduino, Raspberry Pi, or other microcontrollers.

Features

The DHT11 is a digital temperature and humidity sensor module that features:

• Temperature range: -40°C to +125°C
• Humidity range: 20% to 80%
• Accuracy: ±2°C for temperature, ±5% for humidity
• Resolution: 0.5°C for temperature, 1% for humidity
• Communication protocol: Digital I/O (3-pin interface)
• Operating voltage: 3.3V or 5V
• Low power consumption: typically 0.6mA

The DHT11 is a popular choice for various applications such as weather stations, home automation systems, and industrial control systems due to its ease of use, low cost, and high accuracy.

Package

According to the product information, the package type of DHT11 is SIP-4 (Single In-Line Package).

Manufacturer

According to the provided product information, the manufacturer of the DHT11 is Aosong (Guangzhou) Elec.

Applications

The DHT11 temperature and humidity sensor is commonly used in various applications, including:

• Weather stations
• Home automation systems
• Industrial control systems
• HVAC systems
• Environmental monitoring systems

These sensors are suitable for a wide range of environments, from indoor to outdoor use cases.

Equivalent

The DHT11 temperature and humidity sensor has several equivalents in the market:

• DHT22
• SHT15
• HTU21D
• AM2302

These sensors share similar characteristics with the DHT11, including analog output and a digital I/O interface for reading temperature and humidity levels.