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I have a variable frequency square wave generator based on 16F628A.Now I have to convert it to a sine wave 0-10kHz.I thought to use an active low pass fillter at 10kHz passband to fillter odd harmonics and get the fundemental frequency from the square wave.I've designed 8th order fillter for...
i tried to build a SIPROG with this circuit from (AVR Programmer)
i used atmega88 with 4Mhz crystal
i'm using ponyprog on win7 and when i probe device it says test ok,but when i try to read device it says "device missng or unkown device"
i checked all connections with multimeter but there is...
i have to detect arrows for a robotics projects(black arrows in white background)
what are the best ways to do this?i though about image processing but i don't have any knowledge on it,couldn't figure out an algorthem.do anyone know some good resources? :)
is there any way to build a Spectrum analyzer using tv tuner?(if it's possible with pci tv card it'll be much easier)
I googled but couldn't find a good schematic :(
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