The DHT21/AM2301 is a high-precision capacitive digital temperature and humidity sensor operating at 3.3V–5.5V. It offers a wide temperature range of -40°C to 80°C and 0–100% RH with ±0.5°C and ±3% RH accuracy. Ideal for Arduino, IoT, weather monitoring, and smart home automation projects.
The DHT22 Temperature & Humidity Sensor is a high-precision digital sensor ideal for Arduino, Raspberry Pi, IoT, HVAC, and weather monitoring systems. It offers accurate temperature and humidity readings, making it perfect for environmental monitoring and smart home automation.