Re: Re: question on LED clock operation

mcesar wrote:

I have dismantled in the past some of these LED clocks and, in my
experience, they use to use the 50/60 Hz mains frequency as the clock signal
of the digital circuitry (this 50/60 Hz even controls the LED display

Too slow. Even an old commodore 64 needed a million clock cycles
per second. 60 clock cycles in a second are not enough to run the
little computer inside the LED clock.