Sensor dht11

140.00

SKU: 000091 Categories: , Tags: , , ,

Description

The DHT11 is a widely used digital temperature and humidity sensor in the field of electronics and microcontroller-based projects. Here are the key features and details of the DHT11 sensor:

1. **Temperature and Humidity Sensing:** The DHT11 sensor is designed to measure both temperature and humidity. It provides accurate readings of temperature in degrees Celsius (°C) and relative humidity as a percentage (%).

2. **Digital Output:** The DHT11 provides a digital output, which simplifies interfacing with microcontrollers and digital circuits. Data is transmitted using a single-wire digital protocol.

3. **Low-Cost:** The DHT11 is an affordable sensor, making it accessible for a wide range of projects and applications.

4. **Calibrated Sensor:** The DHT11 is a factory-calibrated sensor, meaning it provides relatively accurate measurements without the need for user calibration.

5. **Accuracy:** The DHT11 has moderate accuracy for temperature measurements, typically within ±2°C. For humidity measurements, it is typically accurate within ±5%.

6. **Response Time:** The sensor has a response time of about 2 seconds for humidity and 2-5 seconds for temperature, which may vary depending on the specific operating conditions.

7. **Wide Operating Voltage Range:** It can operate in a voltage range of 3.3V to 5.5V, which is compatible with common microcontroller and Arduino boards.

8. **Compact Design:** The DHT11 sensor is typically compact and easy to integrate into various projects. It is often found in a small black plastic housing.

9. **Limited Range:** The DHT11 sensor is suitable for indoor applications but is not designed for extreme temperature or humidity conditions.

10. **Library Support:** Various libraries are available for popular microcontroller platforms like Arduino to simplify the process of interfacing with and reading data from the DHT11 sensor.

11. **Applications:** The DHT11 sensor is used in a wide range of applications, including weather stations, environmental monitoring, home automation, HVAC (Heating, Ventilation, and Air Conditioning) systems, and more.

12. **Variants:** There are other variants of the DHT series sensors, such as the DHT22 (also known as the AM2302), which offers higher accuracy and a wider operating range compared to the DHT11.

The DHT11 sensor is a cost-effective choice for projects that require monitoring temperature and humidity conditions. While it may not provide the precision of some higher-end sensors, it is a practical solution for many applications where moderate accuracy is sufficient.

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