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adafruit_max7219/max7219.py

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CircuitPython library to support MAX7219 LED Matrix/Digit Display Driver.
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This library supports the use of the MAX7219-based display in CircuitPython,
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either an 8x8 matrix or a 8 digit 7-segment numeric display.
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See Also
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=========
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* matrices.Maxtrix8x8 is a class support an 8x8 led matrix display
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* bcddigits.BCDDigits is a class that support the 8 digit 7-segment display
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Beware that most CircuitPython compatible hardware are 3.3v logic level! Make
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sure that the input pin is 5v tolerant.
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* Author(s): Michael McWethy
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Implementation Notes
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--------------------
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**Hardware:**
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* Adafruit `MAX7219CNG LED Matrix/Digit Display Driver -
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* `Adafruit MAX7219CNG LED Matrix/Digit Display Driver -
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MAX7219 <https://www.adafruit.com/product/453>`_ (Product ID: 453)
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**Software and Dependencies:**
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* Adafruit CircuitPython firmware for the ESP8622 and M0-based boards:
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https://github.com/adafruit/circuitpython/releases
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* Adafruit's Bus Device library: https://github.com/adafruit/Adafruit_CircuitPython_BusDevice
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* Adafruit's Bus Device library:
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https://github.com/adafruit/Adafruit_CircuitPython_BusDevice
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**Notes:**
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#. Datasheet: https://cdn-shop.adafruit.com/datasheets/MAX7219.pdf
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"""

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