--- title: "投幣機+mp3PLAYER" tags: hackpad --- # 投幣機+mp3PLAYER > [點此觀看原始內容](https://openlabtaipei.hackpad.tw/seMtVQ3KMvs) 投幣機+mp3PLAYER ### 程式碼+libs libs需放到arduino資料夾底下 投入5枚硬幣啟動音樂與LED 音樂開始後10s音量漸弱 30s後再投入第一枚硬幣時音量驟降 第五枚硬幣時重新啟動音樂 [https://github.com/asilyihong/OpenlabTaipei.CoinCounter](https://github.com/asilyihong/OpenlabTaipei.CoinCounter) ### mp3PLAYER+Arduino ![](https://s3-ap-northeast-1.amazonaws.com/hackmd-public/uploads/8c08d4fc-dfd4-4574-adbb-65236a5d977c) ![](https://s3-ap-northeast-1.amazonaws.com/hackmd-public/uploads/87a330e7-ed27-4f09-8d4a-650ba593e42d) ### 成功影片 [https://instagram.com/p/7xw4\_PNpjk/?fb\_action\_ids=10153191357286375&fb\_action\_types=instapp%3Atake&fb\_ref=ogexp&fb\_source=other\_multiline&action\_object\_map=%5B910933742288153%5D&action\_type\_map=%5B%22instapp%3Atake%22%5D&action\_ref\_map=%5B%22ogexp%22%5D](https://instagram.com/p/7xw4_PNpjk/?fb_action_ids=10153191357286375&fb_action_types=instapp%3Atake&fb_ref=ogexp&fb_source=other_multiline&action_object_map=%5B910933742288153%5D&action_type_map=%5B%22instapp%3Atake%22%5D&action_ref_map=%5B%22ogexp%22%5D) https://www.youtube.com/watch?v=4Oq40hFiO7s&ab_channel=%E7%A1%AC%E6%A0%B8%E6%8B%86%E8%A7%A3 投幣機原理