2-digit stopwatch circuit@Univ.of Tokyo Dep. of Science Bld.1

The last day of this experiment “Electronics I”. Exp.10, we could select

one problem from two. Our group decided to make “2-digit stopwatch” circuit.

The circuit I designed was correct but there were not enough ICs, and we

have to organize more complicated one. After three hours’ composing

the circuit and debugging the connection between ICs etc, it output correct

expression and we raised a cry of triumph^^. very tired…

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