MP3 Trigger

MP3 Trigger
Pololu item #: 2195 4 in stock

Price break Unit price (US$)
1 49.95
10 44.96

backorders allowed

Make some noise with your next project! The MP3 Trigger board is built to make MP3 sound integration easy. The board has 18 external trigger pins that will directly trigger pre-selected MP3 tracks, and a full-duplex serial control port that provides remote triggering for up to 256 tracks and fast, real-time volume control. MP3s are played from a FAT16 formatted SDSC or FAT32 formatted SDHC micro-SD flash memory cards (required but not included). In addition, it achieves 192 Kbps stereo playback from a wide range of cards.

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General specifications

Interface: TTL serial
Minimum operating voltage: 4.5 V
Maximum operating voltage: 12 V
Minimum logic voltage: 3.3 V
Maximum logic voltage: 5 V
Supply current: 45 mA1


idle, 85 mA playing