Description: DHT11 digital temperature and humidity sensor is a composite Sensor contains a calibrated digital signal output of the temperature and humidity. Application of a dedicated digital modules collection technology and the temperature and humidity sensing technology, to ensure that the product has high reliability and excellent long-term stability. The sensor includes a resistive sense of wet components and an NTC temperature measurement devices, and connected with a high-performance 8-bit microcontroller. Technical Parameters:   ● Relative humidity:      • Resolution: 16Bit      • Repeatability: ±1% RH      • Accuracy: At 25℃ ±5% RH      • Interchangeability: fully interchangeable      • Response time: 1 / e (63%) of 25℃ 6s      • Hysteresis: <± 0.3% RH      • Long-term stability: <± 0.5% RH / yr in   ● Temperature:      • Resolution: 16Bit      • Repeatability: ±0.2℃      • Range: At 25℃ ±2℃      • Response time: 1 / e (63%) 10S   ● Electrical Characteristics:      • Power supply: 3.5 ～ 5.5V DC       • Supply Current: measurement 0.3mA standby 60μA      • Sampling period: more than 2 seconds   ● Pin Description:      1  the VDD power supply 3.5 ～ 5.5V DC      2  DATA serial data, a single bus      3  NC, empty pin      4  GND ground, the negative power ● Dimensions (unit: mm) Features: Low cost, long-term stability, relative humidity and temperature measurement, excellent quality, fast response, strong anti-interference ability, long distance signal transmission, digital signal output, and precise calibration.   Applications: HVAC, dehumidifier, testing and inspection equipment, consumer goods, automotive, automatic control, data loggers, weather stations, home appliances, humidity regulator, medical and other humidity measurement and control.