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Three phase imbalance detection
Hey chaps:   How you doing? I'm designing a three phase voltage imbalance detector My problem is that it must work with a delta wired power line, so, no neutral available to...
Wednesday, 11 November 2015 - 20:45
3-phase line phase imbalance detector
Hello guys:   This time I'm designing a 3-phase signal generator for 50HZ 3 phase tests. Most of the tests are for amplitude and phase imbalances, and are to be used in...
Saturday, 22 August 2015 - 02:21
TACT switch for mains operation
Hello guys:   I've recently came with a dirt cheap (and with that I really mean dirty!) design for a mains operated device It has a transformerless PS (way dirty) and some...
Thursday, 21 May 2015 - 15:26
Alkaline AAA batteries as memory backup??
Hello buddies! I was thinking if it's possible to use two AAA batteries to replace a lithium coin backup cell. It's not a new design, but a "cost cut" in an old design that needs...
Wednesday, 9 October 2013 - 19:37
strange FreeRtos Xmega128A1 port behavior
Hi guys: I posted this in the Freertos forum at sourceforge But I think it's useful to post it here, because it's related to Xmega and GCC, and perhaps it end up being useful to...
Tuesday, 5 April 2011 - 16:53
automatically relocating the Stack pointer
Hi guys: I've been on the issue of relocating the stack pointer at program startup and searched the entire forum for some clue. I've found some posts on the issue of relocating...
Tuesday, 21 December 2010 - 16:59
schottky diodes as gates, feasibility?
Hi all: I need to know if it is feasible to use schottky diodes (like BAT54) as gates to /CS a sram memory I'm in a design with an ATXmega128A1 and like to use a dual CA diode...
Thursday, 22 July 2010 - 21:24
schottky diodes as gates, feasibility?
Hi all: I need to know if it is feasible to use schottky diodes (like BAT54) as gates to /CS a sram memory I'm in a design with an ATXmega128A1 and like to use a dual CA diode...
Thursday, 22 July 2010 - 21:23
Question on JTAGICE MKII
Hi guys: I have a JTAGICE MKII unit that works very well, but now, I need to debug using PDI interface (on a Xmega128A1 chip) My question is (since I havn't the chip in my hands...
Monday, 28 June 2010 - 20:10
ATMEGA8HVA-4TU availability??
Hi guys: I've been looking for the ATMEGA8HVA-4TU in the many distributors ATMEL lists, but I always found there's no stock. Do you know if there is a peak demand on these parts?...
Wednesday, 23 June 2010 - 21:09
How to do a .section inside a .section?
Hi boys: I was in need of an special EEPROM section, and coded my own by writing #define SYS_DATA __attribute__ ((section (".eep_sys_sec"))) in main.c and then instructed the...
Thursday, 8 April 2010 - 21:07
Spot welder triac control. Feasibility?
Hi Guys: I'm making a homemade spot welder as a hobby project. I salvaged an old AC stabilizer and recovered the autotransformer. With that core I calculated that I can make a...
Tuesday, 17 November 2009 - 16:15

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