WIG-13720 Description
WIG-13720 manufactured by SparkFun Electronics is a type of MP3 trigger v2. As a versatile, low-cost, low-power embedded audio unit, it is able to play MP3 tracks directly from a FAT32 or FAT16 formatted microSD flash card to a stereo 1/8” headphone output jack. Its 18 external input pins trigger pre-selected MP3 tracks when pulled to the ground and its full-duplex serial control port provides real-time volume control as well as remote triggering for up to 255 tracks.
WIG-13720 Features
Input voltage range: 4.5V to 12.0V DC, or regulated 3.3V (jumper selectable)
Current consumption: Approximately 45mA idle, 85mA playing
Media: SDSC and SDHC microSD cards
File system: FAT32 and FAT16
Audio output: Headphone stereo (1/8” stereo jack)
WIG-13720 Applications
MP3
