MP3 Bike Horn
thingiverse
This is just for kicks, nothing to get worked up about :-)\r\n\r\nMP3 Bike horn based on a low-cost MP3 Player board and a few extra components. Powered by 3 AAA batteries.\r\n\r\nThe MP3 Player board looks like this:\r\nhttps://www.ebay.com/itm/TF-Card-U-Disk-Mini-MP3-Player-Decoder-Audio-Voice-Module-for-Arduino-DFPlayer/172068842193\r\n\r\nIt uses a reentrant horn that can be adjusted for different sizes:\r\nhttps://www.thingiverse.com/thing:3133987\r\n\r\nSchematic and Eagle files are included - if anyone is interested.\r\n\r\nIt can play 4 melodies (mp3 files) stored on an SD Card.\r\n\r\nVideo: https://youtu.be/NGRnqf-xwgw
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