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Discussion Title Created date
Ideal crimper
Dear all wish you a happy new year! I want to measure an ac voltaj.do you have any suggestions about clamping the negative voltajes.I have used an op-amp adder but the problem is...
Saturday, 1 January 2011 - 13:52
harmonic extraction
Dear all I want to know how could i extract the harmonic amplitudes of the signal that i get from a 50hz source? Do you have any idea where should i start? Thanks in advance.
Saturday, 18 December 2010 - 09:31
PCB inductor
Dear all I want to know the equation for inductor implementation on a pcb board.is there any software? Any links or tutorial? As you can see I have attached a simple fm...
Friday, 12 November 2010 - 11:37
Barcode scanner
Dear all I want to know if there is a standard associated with rs232 barcode scanners. Do you have any idea where to start? Do you recommend any model? Thanks in advance.
Monday, 25 October 2010 - 06:31
ADE7753 zx problem
Dear All I have built a custom board for ade7753.you can see the schematic in attachment it's very similar to ade7753 evaluation board so I can use my avr or the evaluation...
Wednesday, 20 October 2010 - 07:03
Isolation recommendation
Dear all I want to know how would you isolate ade7753 from your avr? what is the minimum cost recommendation. I could use 6n137 device successfully (spi clk ~ 8khz) but was unable...
Thursday, 7 October 2010 - 12:00
ADE7753 Communication error
Dear all I have used the following code to read the device registers. But I only get 0xff response from the device. Has anybody happen to work with the device. #include #...
Tuesday, 5 October 2010 - 11:21
Another Fatfs Problem
Dear all I searched the forum and could not find a solution to my problem.I have ported the fatfs from elm-chan to xmega. but I cannot init the sd/mmc card .Can you recommend the...
Saturday, 25 September 2010 - 16:17
Event system Real examples
Dear all I want to know if you have used the event system in a practical manner. Can you suggest some examples? Thanks in advance.
Saturday, 25 September 2010 - 06:11
XMEGA TWI
Dear all I want to use TWID ATXMEGA128A1 for communication to 24C64.I use the AVR1308 app note. And the settings are as follow. But I cannot read or write to the 24C64....
Thursday, 9 September 2010 - 10:33
ESC * [use on matrix printer to print graphics]
Dear all I do not know how to use the ESC * command for thermal printing. Suppose I want to print a 240x128 pixel image how I should use the command. Thanks in advance.
Friday, 27 August 2010 - 07:08
MCU Selection suggestion
Dear all I want to have the cheapest mcu containing minimum of these requirements. Number of usart 4 Number of spi 1 General IO 20 Flash 48K Ram 4k At least 1MIPS power Any device...
Sunday, 15 August 2010 - 08:23

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