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利用喝剩下的奶茶塑料瓶做灯罩，制作一个可以充电，触摸开关，调光的小夜灯。灯芯和灯盖需要用透明材料打印。奶茶瓶口外径在55mm左右的都可以做灯罩。灯丝是买的3条COB灯带，长度130mm，3v ，外径1.6mm，两端正负极的，360度亮灯的。需要3条。https://detail.tmall.com/item.htm?abbucket=17&detail_redpacket_pop=true&id=873908139574&ltk2=1744098176246shv5t3vtjiagjmteypg9m&ns=1&pisk=g2XqE14Co-eVzeTviT9ZTAlAxnpvadzQ3OT6jGjMcEYDlGxMQab_DEsgkNWwrGCbDCaxbmBP8AMbkSIiQd9gRywQdiKvBd4ICnSmfqKBAj26sAxkHhOYPug7diIvWH1Ji7yI7xcgIccMSNvkEnteInDiI8qybH8MIEAirbxHrdvMidjoqHxHjnDinuokxhnDSAADr8xBvAvMINju4hLkjdviwPscjY-Bil_lxa_jovdD-iYrIvop0IVC0fMsCT-2gOjXz3t5UnR28QhV3E6cPGXfHQFxGdI5TN5G-zGXo6-FzB148x7FkhbkqZZs635Nj9pvicM18K7wttArjASHnUpyq9qs9U6ylNX2ZkMe1LXBtKf7wrO63H7GHZoZIwj5AtdRQyukWstpEhWTxf8wsgJiW3bFIOI1RfRD238Q4uPZSMKmHpUgdfh9ZpKyRotj6fdD238Q4ult6QYJ4eZXc&priceTId=undefined&query=cob%E7%81%AF%E5%B8%A6&skuId=5709360960897&spm=a21n57.1.hoverItem.2&utparam=%7B%22aplus_abtest%22%3A%224098878af620403432e1441bc4b15b93%22%7D&xxc=taobaoSearch控制板为一块LED调光控制板，有type-c的充电口。选3W的，可以连续调光。固定控制板需要M2*10的自攻螺丝2颗。https://item.taobao.com/it