Jason Yeh
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    # 硬體設計 ## 硬體規格 ### 樹莓派第四代 #### 處理器: - Broadcom BCM2711,四核Cortex-A72(ARM v8)64位SoC @ 1.5GHz #### 記憶體: - 4GB LPDDR4 #### 連接: - 2.4 GHz和5.0 GHz IEEE 802.11b / g / n / ac無線區域網路,藍牙5.0,BLE千兆乙太網路 - 2個USB 3.0端口 - 2個USB 2.0端口。 #### GPIO: - 標準的40引腳GPIO接頭(與以前的板完全向後兼容) #### 影像及聲音: - 2個micro HDMI端口(最多支持4Kp60) - 2通道MIPI DSI顯示端口 - 2通道MIPI CSI攝像機端口 - 4針立體聲音頻和復合視頻端口 - 多媒體: - H.265(4Kp60解碼); - H.264(1080p60解碼,1080p30編碼); - OpenGL ES,3.0圖形 #### SD卡支持: - Micro SD卡插槽,用於加載操作系統和數據存儲 - 容量是32GB #### 輸入功率: - 通過USB-C連接器5V DC(最小3A1) - 通過GPIO接頭提供5V DC(最低3A1) #### 環境: - 工作溫度0-50ºC --------------------- ### 麥克風 - [ ReSpeaker 2-Mics Pi HAT ](https://www.taiwansensor.com.tw/product/respeaker-2-mics-pi-hat/) * 雙麥克風 * 2 個 Grove 介面 : 支援 GPIO 及 I2C * 可程式化控制按鍵及 LED 燈(包括 1 按鍵和 3 LED 燈) * 內鍵音訊編/解碼器 * 雙音訊輸出: 3.5mm 音訊插孔、JST2.0 揚聲器輸出 * 可遠至 3 公尺外收音 * 尺寸: 65mm x 30mm x 15mm * 重量:G.W 34g N.W 12g --- ### 揚聲器 - 高品質攜帶式喇叭(USB 充電) --------------------- ### 相機 - [ Raspberry PI RPI CAMERA 500萬像素 ](https://www.taiwaniot.com.tw/product/%E6%A8%B9%E8%8E%93%E6%B4%BE%E5%B0%88%E7%94%A8%E6%94%9D%E5%BD%B1%E9%8F%A1%E9%A0%AD%E6%A8%A1%E7%B5%84-raspberry-pi-rpi-camera-500%E8%90%AC%E5%83%8F%E7%B4%A0/) - 鏡頭:1/4 5M - 光圈:2.9 - 焦距:3.29 - 視場角:72.4度 - 硬體連接: - 軟排線,90度垂直連接器,HDMI口旁邊。連接時觸點一側朝向HDMI介面。 ------------------- ### LED燈 (燈條、燈泡) - [ WS2812B LED燈條 ](https://shopee.tw/product/279812180/10201368165?smtt=0.446774728-1635809823.9) ## 外觀設計 - 三視圖 - 正面 ![](https://i.imgur.com/xBw6YvM.jpg) ![](https://i.imgur.com/9eFNe26.jpg) - 右側 ![](https://i.imgur.com/FqcABAS.jpg) - 左側 ![](https://i.imgur.com/48nJUFB.jpg) - 俯瞰 ![](https://i.imgur.com/tXXQVkD.jpg) - 後側 ![](https://i.imgur.com/uqdjHAd.jpg) - 設計規格 - 形狀 - 球體,底部平面 - 直徑 11 公分 - 高 9 公分 - 材質 - 3D 列印,塑膠 - 其他部位 - 狀態燈 - 3色 LED 模組 KY-016 3色燈 - 規格:直徑 0.5 公分 ![](https://i.imgur.com/Mx2DIA0.png) - 位置:電源插槽處 - 零件參考: - https://shopee.tw/product/10708564/7558242584?smtt=0.446774728-1635809233.9 - 互動燈 - WS2812B LED燈條 - 規格:長 100 公分,寬 0.5 公分 ![](https://i.imgur.com/qo7XjdE.png) - 位置:3 條環繞球體,寬度 0.7 公分 - 零件參考: - https://shopee.tw/product/279812180/10201368165?smtt=0.446774728-1635809823.9 - https://www.youtube.com/watch?v=Z2nhfTPbJTU - 電源插槽 - type-c 孔 - 規格:長 2 公分,寬 1 公分 - 位置:音響後側,聲音孔洞處 - 聲音孔洞 - 位置:最後一條互動燈下方打孔 - 鏡頭 - Raspberry PI RPI CAMERA - 規格:2.5 cm x 2.4 cm x 0.9 cm ![](https://i.imgur.com/ucwQiS3.png) - 位置:音響正面,第二條互動燈下方 - 零件參考:https://www.taiwaniot.com.tw/product/樹莓派專用攝影鏡頭模組-raspberry-pi-rpi-camera-500萬像素/ ## 硬體介面設計 - 3個實體按鈕:多功能鍵、上鍵、下鍵 - 多功能鍵 1. 暫停任何播放 / 開始 ( 一下 ) X 4. 進入初始設定 (長按)O - 上鍵 1. 增加音量 ( 一下 ) O 2. 停止或開啟收音 (長按)O 3. 上一首 ( 兩下 ) X - 下鍵 1. 減少音量 ( 一下 ) O 2. 靜止或開始放音 (長按)O 3. 下一首 ( 兩下 ) X - 2種顯示燈 - 狀態燈1顆 ( 改變顏色、閃爍頻率 ) - 互動燈3條 ( 七彩 ) - 顯示燈反映的情境 - 初始設定 ( 狀態燈 ) 1. 尋找手機 -> 搜尋的閃爍頻率 ( 藍燈 ) 2. 藍芽連上手機 -> 停止閃爍 ( 藍燈 ) 3. 找尋 wifi -> 搜尋的閃爍頻率 ( 橘燈 ) - 藍芽有持續連著 4. 設定完 wifi -> 停止閃爍 ( 橘燈 ) 5. 連上以及斷開 wifi 瞬間 -> 提示聲 - 連接狀態 ( 狀態燈 ) 1. WIFI 連接正常 -> 恆亮 ( 黃色 ) 2. WIFI 突然中斷 -> 閃爍 ( 黃色 ) - 可能只是訊號弱,走到訊號強一點的地方黃燈恢復恆亮 - 設定新WIFI 要「長按多功能鍵」,進入初始設定 - 語音接收 ( 互動燈 ) 1. 音箱在聽使用者說話 ( 呼吸頻率 ) - 說完喚醒詞,即開始閃亮 - 提示其他使用者音箱已經在接收一人指令,不會再接收其他指令 2. 音箱已完整接收語音指令 ( 亮兩下 + 回應使用者需求 ) 3. 音箱未完整接收語音指令 ( 亮兩下 + 請使用者再說一次 ) - 語音播放 ( 互動燈 ) 1. 音箱回答過程 ( 比較明快的呼吸燈 ) 2. 音樂播放 ( 手機介面設定呼吸燈 ) - 呼吸燈有無、顏色、模式 3. 鬧鐘 ( 手機介面設定呼吸燈 ) - 呼吸燈有無、顏色、模式 - 音樂機器人 1. 音樂機器人模式聽取聲音時 ( 活潑呼吸 ) 2. 音樂機器人搜歌模式 ( 跑燈 )

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