Simple test¶
Ensure your device works with this simple test.
examples/si7021_simpletest.py¶
1# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
2# SPDX-License-Identifier: MIT
3
4"""
5Initializes the sensor, gets and prints readings every two seconds.
6"""
7import time
8import board
9import adafruit_si7021
10
11# Create library object using our Bus I2C port
12i2c = board.I2C() # uses board.SCL and board.SDA
13# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller
14sensor = adafruit_si7021.SI7021(i2c)
15
16# If you'd like to use the heater, you can uncomment the code below
17# and pick a heater level that works for your purposes
18#
19# sensor.heater_enable = True
20# sensor.heater_level = 0 # Use any level from 0 to 15 inclusive
21
22while True:
23 print("\nTemperature: %0.1f C" % sensor.temperature)
24 print("Humidity: %0.1f %%" % sensor.relative_humidity)
25 time.sleep(2)