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
mp3PLAYER+Arduino
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