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.. _per_drum_kit:

2.5 Drum Kit
=============================

For this project, let's make a drum kit with three buttons and a slide switch. Now, play your own drums.

**Required Components**

In this project, we need the following components. 

It's definitely convenient to buy a whole kit, here's the link: 

.. list-table::
    :widths: 20 20 20
    :header-rows: 1

    *   - Name	
        - ITEMS IN THIS KIT
        - LINK
    *   - Kepler Kit	
        - 450+
        - |link_kepler_kit|

You can also buy them separately from the links below.


.. list-table::
    :widths: 5 20 5 20
    :header-rows: 1

    *   - SN
        - COMPONENT	
        - QUANTITY
        - LINK

    *   - 1
        - :ref:`cpn_pico_w`
        - 1
        - |link_picow_buy|
    *   - 2
        - Micro USB Cable
        - 1
        - 
    *   - 3
        - :ref:`cpn_breadboard`
        - 1
        - |link_breadboard_buy|
    *   - 4
        - :ref:`cpn_wire`
        - Several
        - |link_wires_buy|
    *   - 5
        - :ref:`cpn_resistor`
        - 4(10KΩ)
        - |link_resistor_buy|
    *   - 6
        - :ref:`cpn_button`
        - 3
        - |link_button_buy|
    *   - 7
        - :ref:`cpn_capacitor`
        - 1(104)
        - |link_capacitor_buy|
    *   - 8
        - :ref:`cpn_micro_switch`
        - 1
        - 

**Wiring**

|drum_kit0|

* When the slide switch is toggled to the right, GP12 is high; when toggled to the left, GP12 is low.
* Each of the three buttons is connected to a pull-down resistor, GP13~GP15 are low by default; when the button is pressed, GP13~GP15 are high.


**Code**

.. note::

    * You can refer to the image below to write code by dragging and dropping. 
    * Import ``2.5_drum_kit.png`` from the path of ``kepler-kit-main\piper``. For detailed tutorials, please refer to :ref:`import_code_piper`.


|drum_kit|

After connecting Pico W, click the **Start** button and the code starts to run. Pressing different buttons or toggling the slide switch will produce different drum sounds, just like a drum kit.

.. note::
    If you are using a computer, you will need to plug in headphones or audio to your computer to hear the sound emitted.