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dear
in fact i want to buil a frequency meter to measure the freqeuncy.and the accuracy is very important.
for expamle if a function generetor make a 1000.020 HZ my device i want to buil has to show the exact frequency.
and i don't know how to do it?
hi
i want to build a high acuracy frequency meter with ATmega16 in the range of
50 HZ to 100 KHZ.
about high accuracy i mean about 0.001 or 0.01 HZ.
I built vary frequency counter already but they haven't high accuracy .
help me how i can do it?
Working with rfm12b
hi.
i'm working with rfm12b by AVR and Bascom.
i have a problem with it.
after 3 month i just can initial it and i can see the spectrum of the radio frequency that it make on spectrum analizer.
but i can not send any data.
i mean because it use fsk Modulation if it send any...
hi.
i want to make non contact electrical tester that can indicate ohase and null.
i mean if i put it near to a phase the led go on but near the null nothing happen.
anyone can help me?
phase and null detector
hi.
i want to make a circuit that can detect phase and null.i dont mean by hand i mean if we connected to electricity can detect phase and null.
can any body help me?
hi.
i'm working on a project that i have to make a pci card that can transfering data from pci slots and monitoring them by Labview or matlab.
i think if i can convert the it to rs232 it would be easier but how i can convert pci to rs232?
because after the convert i can use microcontroller and...
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