伴伴學 Accomdemy
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    --- tags: 活動共筆 --- # 20210719 伴伴學:陪皮爸一起組裝交大電機的 LED 螢光棒 [交大電機的LED螢光棒 HackMD](https://hackmd.io/mmkFU13yQTCnxNZMEFf5MQ?view&fbclid=IwAR28y1nUzcIt3k_Hezu2KhNkACMl2IXQ16_7mgy95nXL8dAFH-vWw31gTYU) ## 感謝Joss Lai幫忙記錄 ## 活動筆記 ![](https://i.imgur.com/wHWdkTL.jpg) ![](https://i.imgur.com/MA9ZWsk.jpg) VDD = 3號電池( 1.5V ) x 3 = 4.5V LED's VF = 2V Rlimit = 39ohm Id = ( VDD - ( VF x 2 ) ) / Rlimit = ( 4.5V - ( 2V x 2 ) ) / 39ohm = 0.5V / 39ohm = 12.8mA > LED : Typical VF = 2V / Id =10mA * R1, R2, R3 = 棕黑橙 ( 10Kohm ) * R4~11 = 橙黑白 ( 39ohm ) * R12 = 棕黑綠 ( 1Mohm ) SW-200D: [Spec.](https://statics3.seeedstudio.com/images/opl/datasheet/311100000.pdf) 搖動開關、震動開關 滾珠開關 傾斜開關 雙珠角度感測器 當向導電端(鍍銀Pin腳端 A)傾斜、傾斜角大於15度時間, 為開路OFF狀態,當產品水平狀態發生傾斜改變,觸發端(鍍金引腳C)低於水平傾角大於15度角時,為閉合ON狀態。 * .> 15度角時 OFF * < 15度角時 ON * Pin腳有分: A, C * '+' : 金色 C * '-' : 銀色 A * (金色腳比銀色腳高時導通,水平時為不穩定狀態) 適用範圍:玩具,防盜報警器,電器等。可替代傳統的水銀開關,而無水銀開關的環保問題。 焊接方式:焊接溫度為 300 度,2-2.5 秒。 電磁式蜂鳴器(外部驅動) LF-MT12D02 Magnetic Transducer : [Spec.](https://www.ario.com.tw/zh-tw/product-405905/Magnetic-Transducer-LF-MT12D02.html) --- * 紅外線發射 LED 燈 新式手機後鏡頭會濾掉 "紅外線發射 LED 燈的光" 只能用手機前鏡頭(自拍鏡頭)才能拍攝得出“紅外線發射 LED 燈的光” 線材: * 多蕊線基本上會有 7蕊 ( 5蕊 是偷工減料, 3 蕊 是偷很兇 ) * 搖控飛機基本的 30蕊 * 搖控飛機大電流 60蕊 --- The IR transceiver's commands are unknown. So this is an unsolved case. to be continued... 操作: 1. Reset ( S1 Button) 2. 按電視搖控器,對準 Receiver,作 learning 3. 再按 S4 Button ,即 repeat "learning code" 改造大海的示波筆 : 1. 增加搖動開關 2. 增加 IR Receiver, 訊號decode show 在 Panel 上 --- reference: * [這款LED螢光棒厲害了,能夠刷出各種圖片,還能組隊玩耍](https://kknews.cc/design/p6a5832.html) * [電子製造,工作狂人](https://www.researchmfg.com/about/) 企業捐贈 - 提出計畫,約定時限,在伴伴學分享過程、成果。

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