OP90 Unit
=========

.. include:: ../refs/unit.op90.ref

The following products are supported:

|OP90|


Micropython Example::

    import os, sys, io
    import M5
    from M5 import *
    from hardware import *
    import time
    from unit import *

    i2c0 = None
    op90_0 = None

    def setup():
    global i2c0, op90_0

    i2c0 = I2C(0, scl=Pin(1), sda=Pin(2), freq=100000)
    op90_0 = OPUnit((8, 9), type=1)
    M5.begin()
    Widgets.fillScreen(0x222222)

    print(op90_0.get_value)
    time.sleep(1)
    print(op90_0.count_value)
    time.sleep(1)
    op90_0.count_reset()
    time.sleep(1)


UIFLOW2 Example:

    |example.png|


.. only:: builder_html

    |op90_core_example.m5f2|


class OPUnit
------------

Constructors
------------

.. class:: OPUnit(io)

    Create an OPUnit object.

    The parameters is:
        - ``io`` is the detection pin.

    UIFLOW2:

        |init.png|


Methods
-------

.. method:: OPUnit.count_value()

   Get the count value.

    UIFLOW2:

        |get_count_value.png|


.. method:: OPUnit.count_reset()

    Reset the meter value.

    UIFLOW2:

        |reset_count_value.png|