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Frontend

JPEG Image - 2.14 MB - 12/17/2016 at 09:39

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Inside, MCU

JPEG Image - 2.04 MB - 12/17/2016 at 10:02

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Inside, Speaker

JPEG Image - 1.76 MB - 12/17/2016 at 10:02

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backend, LED dispay and Set key

JPEG Image - 1.76 MB - 12/17/2016 at 09:36

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Volume adjust

JPEG Image - 1.52 MB - 12/17/2016 at 09:36

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hardware.jpg

hardware Schematic draw by hand

JPEG Image - 36.42 kB - 12/17/2016 at 09:31

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