the SilentTimer action figure
How it was built (#2)
Instructions
Software
Source
Binary
All versions
PWM music playing software
Serial interface library
Schematics
All versions
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C (STAF #3, 4, 5, 6)
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B (STAF #2)
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A (STAF #1)
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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