OC647IFRCPC，。OC647IFRCPC，OC647IFRCPC

樹莓派改造的可穿戴電腦 辦公不用顯示屏了

從90年代末到21世紀初，我看到那些瘋狂的可穿戴設備想法之后，我就想要一臺屬于我自己的可穿戴電腦。當然，我對它有兩個主要的要求，必須是一臺電腦、而且還要能穿戴在身上。

顯然，現在智能手機已經從很大程度上取代了大多數人對可穿戴式電腦的興趣和要求。沒錯，智能手機很棒，我也非常喜歡，但是它們畢竟還不能讓我“穿戴”在身上。

雖然還有谷歌眼鏡，也很好用，也相當于一臺小電腦，但是呈獻給我們的用戶界面卻完全不太像是電腦。雖然我很欣賞谷歌的嘗試，但是我寧愿要一種功能很強大、使用起來很復雜的設備，而不是簡單好用，但是功能有限的產品。

于是我決定開始自己動手嘗試，當然對我來說，難度并不大。

首先，我先找到了一個Vufine顯示屏，這是一種頭戴式屏幕，可以通過HDMI接口連接到任何信號輸出設備上。雖然它不像谷歌眼鏡那么漂亮，但是可以直接在你的眼前顯示內容，而沒有遮擋，這效果已經足夠好了。同時它的成本也很低，普通的售價為180美元（約合人民幣1212元），而最新的型號售價200美元（約合人民幣1347元）。

然后我還需要一個樹莓派Zero，一個USB連接器、藍牙和無線網絡。對于可穿戴電腦來說，能否聯網并不是一個硬性要求，但是由于我主要是希望用它來記錄，因此必須要將數據上傳到云端，因此也需要連接到Wi-Fi網絡。而藍牙連接則是用來使用無線鍵盤的。

幸運的是，當我準備好所有的組件一周之后，樹莓派居然推出了Zero W，并且內置了藍牙和Wi-Fi，價格也只貴了10美元。因此我放棄了之前各種零散的組件，直接選擇了樹莓派Zero W。

我還需要一個電池組來驅動樹莓派，并且為Vufine屏幕供電。我選擇了一個13000mAh容量的電池，理論上來說，可以堅持使用這款可穿戴電腦一整天的時間。

將它們組裝起來，要做的就是將Vufine的HDMI接口連接到樹莓派上，然后通過USB接口連接鼠標，并且再連接好電源就可以了。

軟件的設置也同樣簡單，我將樹莓派因引回到了默認的系統，配合藍牙鍵盤，啟動了中端，這樣就可以使用我最喜歡的Vim文本編輯器了。現在我可以使用我的鍵盤做任何想做的事情，對我來說主要的工作就是記錄。我的計劃是讓Dropbox能夠自動同步我的筆記，不過目前還沒有成功。

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