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the SilentTimer action figure

How it was built (#2)

Instructions

Software

Source

Binary

All versions

PWM music playing software

Schematics

All versions

PCB layout

I know that the design is not very optimal. A digital clock could be done without the RTC, the 74HC373 ICs and with less resistors. I had to do it for university. I wanted to finish it as fast as possible (and also make it RELATED). Additionally, it had to have "two ICs communicating over a chosen interface".
The resistors' values depend will have to be changenged to set the correct LED brightness

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