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# Aosong ASAIR AHT10 & AHT15

This is an Arduino library for Aosong ASAIR AHT10, AHT15 Digital Humidity & Temperature Sensor

- Supply voltage:               1.8v - 3.6v
- Temperature range:            -40°C..+80°C
- Temperature resolution:       0.01°C
- Temperature accuracy:         ±0.3°C
- Relative humidity range:      0%..100%
- Relative humidity resolution: 0.024%
- Relative humidity accuracy:   ±2%**
- I²C bus speed:                0Hz - 400KHz
- Recomended polling frequency: 8sec - 30sec


Supports all sensors features:

- read humidity***
- read temperature***
- soft reset

Tested on:
- Arduino AVR
- Arduino ESP8266
- Arduino STM32

[license-badge]: https://img.shields.io/badge/License-GPLv3-blue.svg
[license]:       https://choosealicense.com/licenses/gpl-3.0/
[version]:       https://img.shields.io/badge/Version-1.0.0-green.svg
[stars]:         https://img.shields.io/github/stars/enjoyneering/AHT10.svg
[hit-count]:     http://hits.dwyl.io/enjoyneering/AHT10/badges.svg
[count]:         http://hits.dwyl.io/enjoyneering/AHT10/badges
[stargazers]:    https://github.com/enjoyneering/AHT10/stargazers
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[issues]:        https://github.com/enjoyneering/AHT10/issues/

**Prolonged exposure for 60 hours at humidity > 80% can lead to a temporary drift of the signal +3%. Sensor slowly returns to the calibrated state at normal operating conditions.

***Library returns 255 if a communication error occurs