avr_micro
Member level 3
Hi
I need to measure frequency of a signal between 10HZ up to 100Hz.But the problem is voltage of that signal voltage varies from 20volts to 300volts.
Can anybody give a tip or show me a schematic.
regards,
I need to measure frequency of a signal between 10HZ up to 100Hz.But the problem is voltage of that signal voltage varies from 20volts to 300volts.
Can anybody give a tip or show me a schematic.
regards,