Retro Analog Audio VU Meter From Scratch! : 7 Steps (with Pictures) - Instructables

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Retro Analog Audio VU Meter From Scratch!: I always wanted to have an analog VU meter. I wanted to buy it, but I couldn't find one that was cool enough(and still reasonably priced) so I made my own. Here I am going to shown you how I created this very cool looking stereo analog VU meter and …

DEV-11013: The LilyPad MP3 Player is your all-in-one audio solution, containing an Arduino-compatible microcontroller, MP3 (and many other formats) audio decoder chip, micro-SD card socket, and a stereo audio amplifier. Part of the Lilypad E-textiles line, this board can be used to give your fabric creations the gift of music, or any other sounds you can put on a micro-SD card. It can be powered by a 3.7V Lipo battery (charging circuit built-in!), or an external 3.5-6V source.