3 ms·
I guess you are right about the beat frequency bit, but I still assert that the cheap LED's are cycling on and off 60 times a second (or 30.... math is too hard
by spookthesunset 7y ago
I guess you are right about the beat frequency bit, but I still assert that the cheap LED's are cycling on and off 60 times a second (or 30.... math is too hard early in the morning). That is a bit low for my taste.
- seiferteric 7y agoTake a battery, photo-resistor and a capacitor and hook up to headphones in series and you will be able to hear your bulbs flickering.