Product details of DHT11 Temperature Sensor Module with LED Overview: The DHT11 Temperature And Humidity Sensor Module with LED is a small humidity and temperature sensor that you can connect to your Arduino and get readings for temperature and humidity in the environment. Specifications: • It can detect the humidity and temperature of the surrounding environment • The sensor adopts DHT11 • Humidity measurement range: 20%-95% (0 degree-50 degree range) Humidity measurement error: +-5% • Temperature measurement range: 0 degree- 50 degrees temperature measurement error: +-2 degrees • Working voltage 3.3V-5V • Output form digital output • With fixing bolt holes for easy installation • Small board PCB size: 3.2cm x 1.4cm • Power indicator (red) • Each set weighs about 8g Module interface description (3-wire system): 1 VCC externally connected to 3.3V-5V 2 GND externally connected to GND 3 DO small-board switch digital output interface connected to MCU IO port Don't delay, buy today. Add to cart now!