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DDS Signal patterns
Dear all I know how to produce signal patterns in matlab for example for sin waves.here is the code x=0:(2*pi)/256:(2*pi)-((2*pi)/256); y=uint8(128*sin(x)+128); and i have seen...
Monday, 10 May 2010 - 06:57
Xmega and MP3
Dear all. I have managed to overclock atxmeag128a1 to 48MHz safely.I think we can reach 50MHz safely cause in datasheet it said pll out put should never go beyond 200MHz and that...
Thursday, 6 May 2010 - 05:57
Rogowski coil
Dear all I want to know is there a simple way to build rogowski coil by hand?or do you know any good and reasonable distributor.my main job is to measure ac currnets of 50A and...
Monday, 3 May 2010 - 09:13
fast fat file system
Dear all I have been working with fatfs from elm-chan.org and it's working very fine.but i want to know is there any other code that can support reading faster (about 2 time's)...
Saturday, 24 April 2010 - 05:25
Dear all I read the datasheet for XS1-L1 part.it says it has a 64KB sram and 8KB otp memory!!! DO you think an 8KB memory will be enough!?and also you can only program it once!...
Tuesday, 13 April 2010 - 08:36
PCB Trace Width Calculator
Freaks see this link: http://circuitcalculator.com/wor... when i enter for example 1A and set thickness 35um and temp rise of 10 for a pcb trace it will say use a 11.8mil width...
Monday, 15 March 2010 - 12:12
Resistor on PCB,Is this possible?
Hello to all. I wanted to know how to calculate and build a 500uOhm resistor capable of carrying 35A on a pcb trace.how should i calculte the trace length and width. thanks for...
Tuesday, 2 March 2010 - 12:07
GPS Jamming!
Dear all I know that there exist commercial products! but i want to know is there any good link directing us to build a DIY GPS Jammer. thanks for sharing your time.
Sunday, 21 February 2010 - 12:42
Simple math problem!
Dear freaks I want to store my sensor data in a char array and then plot the data.in order to plot it i have to do a simple calculation.but it seems for negative numbers i always...
Wednesday, 10 February 2010 - 07:07
How to get enum size?
Dear all i wnat to know how many elements are used in my enum see this code enum myenum{state1,staet2,...statn}; enum myenum states; int mysize=sizeof(states); but mysize...
Monday, 8 February 2010 - 07:41
Dragon VS MKII
Dear all I know that JTAG ICE MKII is superior to Dragon but i have a few questions? first of all Dragon calims that it can do pdi programming in version 4.18 of avr studio.but in...
Monday, 1 February 2010 - 05:58
Another Sim300?
Dear all Here is the problem.I jsut power on the sim300 and it's connected to my pc.but the module can not register itsef in the network. here is the outputs of sim300 after...
Monday, 25 January 2010 - 11:32