AHT10

Overview

• Name: AHT10
• Description: Library for AHT10 Integrated temperature and humidity sensor
• Author: Gavin Lyons
• STM32: STM32F303K8T6 Nucleo-32
• IDE: STM32cubeIDE C.

Features

This is an STM32 library for Aosong ASAIR AHT10, AHT15 & AHT20 Digital Humidity & Temperature Sensor I2C.

1. Supply voltage: 1.8v - 3.6v for AHT10, AHT15 & 2.0v - 5.5v for AHT20
2. Temperature range: -40°C..+85°C
3. Temperature resolution: 0.01°C
4. Temperature accuracy: ±0.3°C
5. Relative humidity range: 0%..100%
6. Relative humidity resolution: 0.024%
7. Relative humidity accuracy: ±2%**
8. I²C bus speed: 0Hz - 400KHz
9. Recommended polling frequency: 8sec - 30sec

Supports sensors features:

1. Read humidity
2. Read temperature
3. Soft reset with sensor initialisation
4. The library returns 255 if a communication error occurs or if the calibration coefficient is off.

Connections

The Sensor uses I2C for communication's. Data is outputted (eg to a PC) via a USART . pins used are in file AHT10_project.txt.

Files

The Main.c contains tests showing library functions There is also an library (AHT10.c and AHT10.h),

Output

Data is outputted (eg to a PC) via a USART .