In the world of embedded systems and home automation, the DHT11 Sensor Relay Module has gained widespread popularity for its simplicity and efficiency. This affordable module allows users to easily measure temperature and humidity, while controlling electrical appliances based on these measurements. In this article, we will explore the functionality, applications, and how to integrate the DHT11 Sensor with a relay module to build intelligent systems.
What is the DHT11 Sensor? The DHT11 sensor is a basic and commonly used device designed to measure temperature and humidity in the environment. It operates using a digital signal to output the collected data. The sensor consists of a capacitive humidity sensor and a thermistor, which work together to provide temperature and humidity readings. The key features of the DHT11 are: Temperature Range: 0°C to 50°C, with a measurement accuracy of ±2°C. Humidity Range: 20% to 90% Relative Humidity (RH), with an accuracy of ±5% RH. Data Output: Digital signal (single-wire communication).
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