OBBLOG video help files:
Counter:
Binary counter (4 bits) built with obblog using 4 flip-flops. (from 0 to 15) ('obblog flip-flop')
Countdown:
Binary countdown (4 bits) built with obblog using 4 flip-flops. (from 15 to 0) ('obblog flip-flop')
Counter: NOR gates
Binary counter (4 bits) built with obblog using 4 flip-flops. (from 0 to 15). Using crossed NOR gates.
2 bits binary calculator:
Binary calculator (2 bits) built with obblog.
Adding 10 + 10 = 100 ; (2 + 2 = 4)
