Driver in MicroPython for AHT2x: humidity and temperature sensors. The driver covers 100% of the sensor's functionality:

• Get busy status or calibrated status.
• Measurement of relative humidity and temperature.
• Automatic calibration.
• Reset function.
• Control function (with CRC8 Dallas/Maxim).

Compatible models:

• AHT20
• AHT21

This driver has no dependency

Copy the file aht.py in your project folder.

.. code-block:: micropython

import time, machine
import aht

# Example SCL pin and SDA pin for WEMOS D1 mini Lite
i2c = machine.I2C(scl=machine.Pin(5), sda=machine.Pin(4))
sensor = aht.AHT2x(i2c, crc=True)

# To print one of measures:
if sensor.is_ready:
    print("Humidity: {:.2f}".format(sensor.humidity))
    print("Temperature: {:.2f}".format(sensor.temperature))

Read the code.

Contributions are welcome!