Latest threads in Electronics Designshow only best voted threads

Subject Author Posted Replies
 
Any power line communication gurus here ?
Are there any power line communication gurus on this newsgroup, who could answer some of my queries. A colleague recently referred to me an article: Is the 'smart grid' the author talks about...
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HAZLOC test houses? (explosion proof designs)
Folks, A client of mine is in need of consulting and testing services regarding explosion proof gear for oil field use. So that would likely be HAZLOC (or in Europe ATEX). Texas would be nice but...
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optical lightning detector
I want to concoct a trigger to fire my camera when there's lightning in the area of where the camera is pointed. I do not want one of the RF burst detectors, as I don't care about lightning that's not...
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trigger transformer
I was thinking about triggering a TinyLogic one-shot that will be 4 KV off ground. How about a surface-mount inductor on one side of a PCB, and another on the opposite side, as a transformer? Whack...
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Quick question
Hi all, I finished off a William Goldman* book last night and picked B. Pease's "Trouble shooting analog circuits" of the shelf. He does a little active probe circuit. So why is there the second pnp...
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VA deaths covered up to make statistics look better, whistle-blower says
As usual the idiot MSM and Congress are pretending all this is peculiar to the VA when in fact they know the whole U.S. government bureaucracy behaves like this.
 
[ot] Gun nuts were wearing adult diapers
Then again, the Millers had shit for brains. Speaking of shit for brains, this tea bagging gun nut who is running for governor of Nevada was the one that invited the cop killers to the ranch of tea...
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Kickstarter
Hi All! Just launched a modest KickStarter funding project at the link shown below. Would greatly appreciate if you shared this as you feel appropriate. Also, if you are so inclined, backing of as...
 
nir light sources?
Issue is to get lores images at various wavelengths .7-1.8 microns. There are several leds in the NIR, as I remember. Are diffraction gratings efficient enough for collecting an image at certain NIR...
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"Fiddled" Data
...Jim Thompson Find all the latest news on the environment and climate change from the Telegraph. Including daily emissions and pollution data.
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WWI pics
(Introduction, pic 9, interesting examples of progressive deep drawing steel) One hundred years ago, in the summer of 1914, a series of events set off an unprecedented global conflict that ultimately...
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Help, part name for well jetting
Hi guys, My neighbor is attempting to jet a water well, I did it 17 years ago and finally pulling it together to remember what I did. I've been searching for a part I used, without luck. I had a part...
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politics
Sorry, but this is too good to miss: This is not dictatorship, not socialism, not democracy, not kleptocracy, but sociopathocracy.
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Arrogance
and ...Jim Thompson
 
Iris Motor in a Camera
Any idea where I might find a data sheet for a camera iris motor? In particular I'm trying to find out what kind of signal is output via the feedback winding. ...Jim Thompson
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