Timeline for Finding frequency of a series of pulses (3 - 60 Hz) without using a microcontroller or frequency-to-voltage converter

7 events

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Nov 5, 2019 at 0:47	comment	added	shysd		excellent! If you had mentioned something along the lines of 'debounce', I would have got it. For futures readers, the retriggerable monostable multivibrator circuit acts as a 'debounce' circuit in the way that once the first pulse it will ignore any other pulses until it exhausts the time of it time constant (tau = RC), which means the pulse freq is more than 1/RC.
Nov 2, 2019 at 19:16	history	edited	Dave Tweed	CC BY-SA 4.0	added 130 characters in body
Nov 2, 2019 at 19:08	history	edited	Dave Tweed	CC BY-SA 4.0	added 219 characters in body
Nov 2, 2019 at 17:24	history	edited	Dave Tweed	CC BY-SA 4.0	add link
Nov 2, 2019 at 17:07	history	edited	Dave Tweed	CC BY-SA 4.0	add diagram
Nov 2, 2019 at 15:49	comment	added	shysd		I'm sorry but I fail to understand how a monostable multivibrator followed by a D flip flop would act such. Won't the time constant of the multivibrator override the pulses thus rendering their frequency unusable?
Nov 2, 2019 at 14:35	history	answered	Dave Tweed	CC BY-SA 4.0