DHT21 Temperature and Humidity Sensor - AM2301

DHT21 Temperature and Humidity Sensor - AM2301 The DHT21 temperature and humidity sensor is a low-cost, digital device that uses the AM2301 sensor module to measure ambient temperature and relative humidity. The DHT21 is based on the single-wire bidirectional communication protocol and is designed for easy integration with microcontrollers. The sensor uses a capacitive humidity sensing element and a thermistor to accurately measure the temperature and humidity of the surrounding environment. The AM2301 sensor module, also known as the DHT21, is a low-cost, highly accurate and reliable device that is widely used in various applications such as HVAC systems, agriculture, and weather monitoring. The AM2301 uses a proprietary temperature and humidity sensing technology that allows it to achieve high accuracy and stability even in harsh environmental conditions. The DHT21 temperature and humidity sensor provides a simple and reliable solution for monitoring the environmental conditions in a