Describe 1. Can detect the humidity and temperature of the surrounding environment 2. The sensor adopts DHT11 3. Humidity measurement range: 20%-95% Humidity measurement error: +-5% 4. Temperature measurement range: 0 degrees -50 degrees Temperature measurement error: +-2 degrees 5. Working voltage 3.3V-5V 6.Output form digital output 7. Equipped with fixing bolt holes for easy installation 8. Small PCB size: 3.2cm * 1.4cm 9. Each set weighs about 8g Module interface description 1.VCC external 3.3V-5V 2.GND external GND 3.DO small board switch digital output interface, connected to the IO port of the microcontroller Packing list 1.DHT11 module (passed test) 2.20cm DuPont wire 3 pieces

Humidity measurement range: 20%~90%RH, Humidity measurement error: ±5%RH. Temperature measurement range: 0~50?, Temperature measurement error: ±2?. DHT11 uses a dedicated digital modules and acquisition of temperature and humidity sensor technology to ensure that products with high reliability and excellent long term stability. The humidity measure range is 20%-95%, humidity measurement error is ±5%, and temperature measure range is 0-50°C, temperature measurement error is ±2 degrees. DHT11 sensor is a temperature and humidity combined sensor with calibrated digital signal output. It's is a reliable sensor for determining temperature and humidity.