Introduction

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CircuitPython module for the NXP FXAS21002C gyroscope.

Dependencies

This driver depends on:

Please ensure all dependencies are available on the CircuitPython filesystem. This is easily achieved by downloading the Adafruit library and driver bundle.

Installing from PyPI

On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally from PyPI. To install for current user:

pip3 install adafruit-circuitpython-fxas21002c

To install system-wide (this may be required in some cases):

sudo pip3 install adafruit-circuitpython-fxas21002c

To install in a virtual environment in your current project:

mkdir project-name && cd project-name
python3 -m venv .env
source .env/bin/activate
pip3 install adafruit-circuitpython-fxas21002c

Usage Example

import time
import board
import busio
import adafruit_fxas21002c

i2c = busio.I2C(board.SCL, board.SDA)
sensor = adafruit_fxas21002c.FXAS21002C(i2c)

while True:
    gyro_x, gyro_y, gyro_z = sensor.gyroscope
    print('Gyroscope (radians/s): ({0:0.3f},  {1:0.3f},  {2:0.3f})'.format(gyro_x, gyro_y, gyro_z))
    time.sleep(1.0)

Contributing

Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.

Documentation

For information on building library documentation, please check out this guide.

Table of Contents

Simple test

Ensure your device works with this simple test.

examples/fxas21002c_simpletest.py
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# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

# Simple demo of the FXAS21002C gyroscope.
# Will print the gyroscope values every second.
import time

import board
import busio

import adafruit_fxas21002c


# Initialize I2C bus and device.
i2c = busio.I2C(board.SCL, board.SDA)
sensor = adafruit_fxas21002c.FXAS21002C(i2c)
# Optionally create the sensor with a different gyroscope range (the
# default is 250 DPS, but you can use 500, 1000, or 2000 DPS values):
# sensor = adafruit_fxas21002c.FXAS21002C(i2c, gyro_range=adafruit_fxas21002c.GYRO_RANGE_500DPS)
# sensor = adafruit_fxas21002c.FXAS21002C(i2c, gyro_range=adafruit_fxas21002c.GYRO_RANGE_1000DPS)
# sensor = adafruit_fxas21002c.FXAS21002C(i2c, gyro_range=adafruit_fxas21002c.GYRO_RANGE_2000DPS)

# Main loop will read the gyroscope values every second and print them out.
while True:
    # Read gyroscope.
    gyro_x, gyro_y, gyro_z = sensor.gyroscope
    # Print values.
    print(
        "Gyroscope (radians/s): ({0:0.3f},  {1:0.3f},  {2:0.3f})".format(
            gyro_x, gyro_y, gyro_z
        )
    )
    # Delay for a second.
    time.sleep(1.0)

adafruit_fxas21002c

CircuitPython module for the NXP FXAS21002C gyroscope. Based on the driver from: https://github.com/adafruit/Adafruit_FXAS21002C

See examples/simpletest.py for a demo of the usage.

  • Author(s): Tony DiCola

Implementation Notes

Hardware:

Software and Dependencies:

class adafruit_fxas21002c.FXAS21002C(i2c, address=33, gyro_range=250)[source]

Driver for the NXP FXAS21002C gyroscope.

gyroscope

Read the gyroscope value and return its X, Y, Z axis values as a 3-tuple in radians/second.

read_raw()[source]

Read the raw gyroscope readings. Returns a 3-tuple of X, Y, Z axis 16-bit signed values. If you want the gyroscope values in friendly units consider using the gyroscope property!

Indices and tables