AM2302 Sensor

The AM2302 (equivalent to DHT22) is a capacitive digital temperature and humidity sensor. It features a dedicated humidity sensor and a thermistor to measure ambient conditions, outputting a calibrated digital signal via a single data pin. This sensor is factory-calibrated, ensuring high reliability and long-term stability without the need for external components. It operates at 3.3V to 5V DC, making it compatible with most microcontroller boards like Arduino, ESP32, and Raspberry Pi. Key features include a standard 0.1-inch pitch 4-pin interface, a measurement range of -40°C to 80°C for temperature and 0% to 99.9% RH for humidity, and a response time of under 5 seconds. Common applications include home automation, weather stations, HVAC systems, and agricultural monitoring. Choose the AM2302 for its ease of use, digital output (eliminating ADC noise), and robust performance in various environmental conditions.