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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-max31856
To install system-wide (this may be required in some cases):
sudo pip3 install adafruit-circuitpython-max31856
To install in a virtual environment in your current project:
importboardimportdigitalioimportadafruit_max31856# Create sensor object, communicating over the board's default SPI busspi=board.SPI()
# allocate a CS pin and set the directioncs=digitalio.DigitalInOut(board.D5)
cs.direction=digitalio.Direction.OUTPUT# create a thermocouple object with the abovethermocouple=adafruit_max31856.MAX31856(spi, cs)
# measure the temperature! (takes approx 160ms)print(thermocouple.temperature)
# alternative (non-blocking) way to get temperaturethermocouple.initiate_one_shot_measurement()
# <perform other tasks># now wait for measurement to completewhilethermocouple.oneshot_pending:
passprint(thermocouple.unpack_temperature())
Documentation
API documentation for this library can be found on Read the Docs.
For information on building library documentation, please check out this guide.
Contributing
Contributions are welcome! Please read our Code of Conduct
before contributing to help this project stay welcoming.
About
A CircuitPython driver for the MAX31856 Universal Thermocouple Amplifier