Here is the tutorial:
Hi guys, I finished the tutorial about the clock!
Ok, now it’s finished: I present you “the clock”!
I control four 7-segment displays without any integrated circuit! The magic word is: multiplexing!
See here: http://youtu.be/6rp8Z3gxCBQ
I will write the tutorial in the next few days…
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One new tutorial is online.
The tutorial is about an 7-segment-display.