# MeowBit無綫通訊SD模組

## MeowBit無綫通訊SD模組

有了這塊無綫通訊模組，我們就可以利用Meowbit與例如Microbit等的設備通訊了！

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd1.png)

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd2.png)

### 產品參數

* 主控芯片：nRF51822 ARM Cortex-M0
* 核心頻率：16Mhz
* 尺寸：24x21X3mm
* 重量：1.4g
* 通訊最遠距離：10m
* 工作電壓：3.3V
* 通訊模式：2.4G和藍芽2.4G
* 無綫狀態指示燈（綠色為2.4G模式、藍色為藍芽模式）
* 模式切換按鍵
* SD卡金手指接口

### 裝插方法

安裝方法：將模塊插入Meowbit頂部的SD卡插槽，金手指那一面朝自己。

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd3.gif)

拔除方法：將模組小心地拔出Meowbit。

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd4.gif)

### 模式切換

我們可以按模組頂部的按鈕在2.4G和藍芽模式中切換。

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd12.gif)

### MakeCode Arcade編程教學

![](https://kittenbothk.readthedocs.io/en/latest/_images/acbanner2.png)

#### 載入無綫模組插件

插件地址：<https://github.com/KittenBot/pxt-sdwireless>

#### [詳細方法](https://kittenbothk.readthedocs.io/en/latest/Makecode/powerBrickMC.html)

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd5.png)

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd6.png)

#### 無綫模組積木塊

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd7.png)

#### MakeCode Arcade錯誤警告

```
MakeCode Arcade用插件時有時候會顯示以下警告，這只是因為Arcade的模擬器沒有無綫模組，不需要理會。
```

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd13.png)

#### 無綫傳送資料

我們會試試用Meowbit和**無綫模組2.4G模式**發送資料到Microbit。

**Meowbit編程**

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd8.png)

[參考程式](https://makecode.com/_CTHU6hP81P6U)

**Microbit編程**

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd9.png)

[參考程式](https://makecode.microbit.org/_R8zKEpixPazc)

**我們在Meowbit按A或B鍵，Microbit會顯示相應的表情。**

#### 無綫接收資料

我們會試試用Meowbit和**無綫模組2.4G模式**接收Microbit的資料。

**Meowbit編程**

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd11.png)

[參考程式](https://makecode.com/_KDPdA0XccXvP)

**Microbit編程**

![](https://kittenbothk.readthedocs.io/en/latest/_images/sd10.png)

[參考程式](https://makecode.microbit.org/_Xx39ryM2CTp9)

**我們在Microbit按A或B鍵，Meowbit會顯示相應的文字。**


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