understanding the dht11 sensor relay module： a simple solution for temperature and humidity control
Release time:2025-12-01 20:17:57
The DHT11 Sensor Relay Module is a versatile and affordable tool used for monitoring and controlling environmental conditions such as temperature and humidity. It combines the capabilities of the DHT11 sensor, which measures these environmental factors, with a relay module that can trigger external devices, making it an excellent choice for automation systems. In this article, we will explore the key features, applications, and how the DHT11 Sensor Relay Module can be integrated into various projects.
What is the DHT11 Sensor?
The DHT11 sensor is a widely used device for measuring temperature and humidity in various applications. It is a low-cost, reliable sensor designed for basic environmental monitoring. The DHT11 offers digital output, meaning it directly sends temperature and humidity data to a microcontroller like Arduino, Raspberry Pi, or other compatible systems.
Key specifications of the DHT11 sensor include：
Temperature Range： 0 to 50°C (±2°C accuracy).
Humidity Range： 20% to 90% RH (±5% RH accuracy).
Output Type： Digital signal using a single-wire communication protocol.
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