> For the complete documentation index, see [llms.txt](https://sharinghub-eng.kittenbot.hk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sharinghub-eng.kittenbot.hk/airelated/ai-camera-koi-2/makecode-programming/file-operations.md).

# File Operations

### MakeCode Programming Tutorial

#### Extension link: [**https://github.com/KittenBot/pxt-koi2**](https://github.com/KittenBot/pxt-koi2)

Search for KOI2 in the search bar, select KOI 2.(KOI 2 has been approved by Microsoft)

<figure><img src="/files/Sw7BOOSrTSX5zHmVemsd" alt=""><figcaption></figcaption></figure>

The extension will be imported into your project.

### Coding Blocks

<figure><img src="/files/OC6mPtyYbKcgmpdzPXr6" alt=""><figcaption></figcaption></figure>

### Sample Program

{% hint style="info" %}
Armourbit users need to use the corresponding initialization block
{% endhint %}

<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2FPGyECwlPd2M3JqUBLDfO%2Fimage.png?alt=media&#x26;token=662ace3f-a8eb-4fbf-8a10-1d9643c88b1e" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
Please use microSD card that is class10 or above for KOI.
{% endhint %}

{% embed url="<https://makecode.microbit.org/_UMJXhTMz17Hc>" %}

[Sample Program](https://makecode.microbit.org/_UMJXhTMz17Hc)

#### Sample Program Operations

1. Press Button A on the Micro:bit to display a list of files on the KOI, the list will close after 5 seconds
2. Press Button A+B to copy a file from KOI to SD card.
3. Press Button B to delete a file.


---

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