CircuitPython library for controlling a Crickit robotics board.
This convenience library makes coding for the Crickit robotics boards simpler and shorter.
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-crickit
To install system-wide (this may be required in some cases):
sudo pip3 install adafruit-circuitpython-crickit
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-crickit
This examples shows how to control all the devices supported by the library. In most cases you just need a couple of imports.
# This is a mock example showing typical usage of the library for each kind of device. from adafruit_crickit import crickit # Add this import if using stepper motors. # It will expose constants saying how to step: stepper.FORWARD, stepper.BACKWARD, etc. from adafruit_motor import stepper # Set servo 1 to 90 degrees crickit.servo_1.angle = 90 # Change servo settings. crickit.servo_1.actuation_range = 135 crickit.servo_1.set_pulse_width_range(min_pulse=850, max_pulse=2100) # You can assign a device to a variable to get a shorter name. servo_2 = crickit.servo_2 servo_2.throttle = 0 # Run a continous servo on Servo 2 backwards at half speed. crickit.continuous_servo_2.throttle = -0.5 # Run the motor on Motor 1 terminals at half speed. crickit.dc_motor_1.throttle = 0.5 # Set Drive 1 terminal to 3/4 strength. crickit.drive_1.fraction = 0.75 if crickit.touch_1.value: print("Touched terminal Touch 1") # A single stepper motor uses up all the motor terminals. crickit.stepper_motor.onestep(direction=stepper.FORWARD) # You can also use the Drive terminals for a stepper motor crickit.drive_stepper_motor.onestep(direction=stepper.BACKWARD) # Note: On CPX Crickit, NeoPixel pin is normally connected to A1, not to seesaw, # so this part of the demo cannot control the NeoPixel terminal. # Strip or ring of 8 NeoPixels crickit.init_neopixel(8) crickit.neopixel.fill((100, 100, 100)) # Set the Crickit's on-board NeoPixel to a dim purple. crickit.onboard_pixel.brightness = 0.01 crickit.onboard_pixel = (255, 24, 255) # or crickit.onboard_pixel.fill((255, 24, 255))
Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.
For information on building library documentation, please check out this guide.
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