Simple test¶

Ensure your device works with this simple test.

examples/htu21df_simpletest.py¶

from machine import Pin, I2C
from micropython_htu21df import htu21df


i2c = I2C(1, sda=Pin(2), scl=Pin(3))  # Correct I2C pins for RP2040
htu = htu21df.HTU21DF(i2c)

while True:
    print(f"Temperature: {htu.temperature:.2f}°C")
    print(f"Humidity: {htu.humidity:.2%}%")
    print("")
    time.sleep(1)

Resolution Setting¶

Resolution setting

examples/htu21df_resolution.py¶

from machine import Pin, I2C
from micropython_htu21df import htu21df


i2c = I2C(1, sda=Pin(2), scl=Pin(3))  # Correct I2C pins for RP2040
htu = htu21df.HTU21DF(i2c)

print("Current Resolution")
print(htu.temp_rh_resolution)
htu.temp_rh_resolution = 0x81  # Take a look at the library for correct values
print("Changed Resolution")
print(htu.temp_rh_resolution)

while True:
    print(f"Temperature: {htu.temperature:.2f}°C")
    print(f"Humidity: {htu.humidity:.2%}%")
    print("")
    time.sleep(1)