Livoa LogoLivoa
Input Keys


A, B, C, D

74L8192D (U4)


Encoder/Decoder

74L547D (U6)


Decoder

7-seg Driver (U7)
555 Timer (U8)
NOR Gate (U9)
7-segment Displays


U1, U2, U3, U5, U6, U10, U11-U19, U20-U28

Digital event countdown display

by lai

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