import time
import board
import adafruit_scd30
# SCD-30 has temperamental I2C with clock stretching, datasheet recommends
# starting at 50KHz
i2c = busio.I2C(board.SCL, board.SDA,frequency=50000)
scd = adafruit_scd30.SCD30(i2c)
while True:
    # since the measurement interval is long (2+ seconds) we check for new data before reading
    # the values, to ensure current readings.
    if scd.data_available:
        print("Data Available!")
        print("CO2:", scd.CO2, "PPM")
        print("Temperature:", scd.temperature, "degrees C")
        print("Humidity:", scd.relative_humidity, "%%rH")
        print("")
        print("Waiting for new data...")
        print("")
    time.sleep(0.5)