Simple test

Ensure your device works with this simple test.

examples/scd4x_simpletest.py
 1# SPDX-FileCopyrightText: 2020 by Bryan Siepert, written for Adafruit Industries
 2#
 3# SPDX-License-Identifier: Unlicense
 4import time
 5
 6import board
 7
 8import adafruit_scd4x
 9
10i2c = board.I2C()  # uses board.SCL and board.SDA
11# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
12scd4x = adafruit_scd4x.SCD4X(i2c)
13print("Serial number:", [hex(i) for i in scd4x.serial_number])
14
15scd4x.start_periodic_measurement()
16print("Waiting for first measurement....")
17
18while True:
19    if scd4x.data_ready:
20        print(f"CO2: {scd4x.CO2:d} ppm")
21        print(f"Temperature: {scd4x.temperature:0.1f} *C")
22        print(f"Humidity: {scd4x.relative_humidity:0.1f} %")
23        print()
24    time.sleep(1)