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.. _ezb_bull:

Bull Fight
======================


Make PiCrawler an angry bull! Use its camera to track and rush the red cloth!

.. image:: ../python/img/bullfight.png

.. note:: You can download and print the :download:`PDF Color Cards <https://github.com/sunfounder/sf-pdf/raw/master/prop_card/object_detection/color-cards.pdf>` for color detection.


**Program**

.. note::

    * You can write the program according to the following picture, please refer to the tutorial: :ref:`ezblock:create_project_latest`.
    * Or find the code with the same name on the **Examples** page of the EzBlock Studio and click **Run** or **Edit** directly.

.. image:: img/sp210928_175806.png
    :width: 800


Switch to the Remote Control interface, you will see the following screen.

.. image:: img/sp21aa.png


**How it works?**

In general, this project combines the knowledge points of :ref:`ezb_move`, :ref:`ezb_vision` and :ref:`ezb_sound`.

Its flow is shown in the figure below:

.. image:: ../python/img/bull_fight-f.png
    :width: 600