Incomplete notes on building the new clock: http://imgur.com/a/Cj8c1
Build process photos: (invalid link removed)
30x30cm x 3/4" MDF
5mm glass
2mil colour + 3mil blackout vinyl
3M Fasara Interior Design Film
black and white paint
white wood trim
Electrical components:
DS3231N (real time clock)
PIC18F2525 (microcontroller)
28 serial to parallel shift registers (STPIC6D595, avoid for reliability issues)
192 3.4V 5mm diffuse (79k MCD) LEDs
AT42QT1070 dedicated capacitive IC
photoresistor (160 700k Ohm)
5.1V zener 'protection' diode
filtering capacitors
1A (only 0.5A required) USB charger + cable