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Cow Pi mark 1e Construction Instructions (Arduino Nano form factor, SPI communication)
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These are the instructions to assemble a Cow Pi circuit using an Arduino Nano, a Nano clone, or another microcontroller board that has the same form factor. [#nanos]_

..  TIP::
    In addition to the professor and the TAs, you may freely seek help on this assignment from other students.

In the I/O labs, we will use a microcontroller board with some peripherals. In this prelab, you will assemble the hardware for the I/O labs.

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.. toctree::
    :maxdepth: 2

    inventory/preparation-mk1e
    microcontroller/microcontroller-mk1e
    microcontroller/ide-mk1e
    microcontroller/power-mk1e
    direct-io/led-mk1e
    microcontroller/libraries-mk1e
    direct-io/switches-mk1e
    direct-io/buttons-mk1e
    keypad/keypad-mk1e
    display/spi


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..  [#nanos]
    | For now, the instructions are particular to Arduino Nano and Nano clones. We will later update the instructions for other boards with the same form factor. Five-volt microcontroller boards that have the same form factor as the Arduino Nano include the Nano itself and the Arduino Nano Every. Three-volt microcontroller boards that have the same form factor as the Arduino nano include the Arduino Nano 33 IoT, the Arduino Nano 33 BLE, and the Arduino Nano RP2040 Connect.