The DHT11 temperature and humidity module is a composite sensor with calibrated digital signal output. It features low cost, long-term stability, measurement of relative humidity and temperature, and excellent quality.
The Aosong DHT11 is a digital temperature and humidity composite sensor that provides calibrated digital signal output. It combines a capacitive humidity sensing element with an NTC temperature sensing element connected to a high-performance 8-bit microcontroller. The sensor is designed for high reliability and long-term stability in various applications. This manual is written in Chinese.
| Relative Humidity Range | 5 to 95 %RH |
|---|---|
| Relative Humidity Accuracy | ±5 %RH at 25℃ |
| Temperature Range | -20 to 60 ℃ |
| Temperature Accuracy | ±2 ℃ at 25℃ |
| Supply Voltage | 3.3 to 5.5 VDC |
| Supply Current (Standby) | 0.06 mA |
| Supply Current (Measuring) | 1.0 mA |
| Sampling Cycle | >2 S per measurement |
The relative humidity range is from 5% to 95% RH.
The operating temperature range is from -20°C to 60°C.
The recommended supply voltage is between 3.3V and 5.5V DC.
The host must pull the data bus low for at least 18ms but no more than 30ms.