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Glad you like the CountClock, thanks for sharing your view...

A pity that youdidn't build it… For the CountClock a novelty search was performedand a comparable device was found to be patented in 1990. Perhaps anew feature introduced by the CountClock (and possibly not documentedbefore), is the stepwise learning approach, targeting childrenlearning to tell time. Helpful in this respect are the multicoloredLEDs, which allow displaying for example half hours and quarters asseparate segments. The rainbow effectcan be easily achieved by reprogramming the CountClock.

Thanks!

Respect! Sure, thisKeyboard Hack works with square-base keys. The form and shape of the spring isnot critical at all. It’s convenient to use the key’s base for wrapping the papercliparound it, see the pictures below.

Thanks for your comment! Keep us all informed on your progress...